Question Pool Nomenclature of organic compounds

Nomenclature of organic compounds - SAMAGRA Question Pool & Answers | Class 10 English Medium

Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 10 English Medium Chemistry Nomenclature of organic compounds

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Qn 1.

Complete the flow chart

Write A,B,and C

 



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Qn 2.

The hints regarding a cyclic compound are given.

There are 6 carbon atoms.

There are 12 hydrogen atoms

 

  1. Write its structure

  2. Write the molecular formula and IUPAC name of the alkane with the same number of carbon atoms

 



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Qn 3.

Match the following

 

A

B

C

Propyne

C3H8

 

 

 

Propane

C3H6

 

 

 

Propene

C3H4

 



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Qn 4.

Two hints regarding a hydrocarbon are given

There are four carbon atoms

The general formula of the family of compound is CnH2n+2

 

  1. Give the molecular formula of this compound

  2. Write the structure

  3. What will be the molecular formula of the hydrocarbon with the same number of carbon atoms and having a double bond

  4. Write the structure of the cyclic hydrocarbon with the same number of carbon atoms

 



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Qn 5.

Choose the odd one out . Give reason

( CH4 , C3H4 , C2H2 , C2H4 )

 



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Qn 6.

The structure of a hydrocarbon is given

  1. Give its molecular formula

  2. Write the IUPAC name of the compound

  3. Write the IUPAC name of the cyclic compound with the same molecular formula

 



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Qn 7.

Complete this series

 

C2H4

C3H6

C4H8

............a...........

 

 

CH4

C2H6

...........b...........

C4H10

 

 

C2H2

........... c..........

C4H6

C5H8

 

 



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Qn 8.

The structure of a hydrocarbon is given

a)Give its molecular formula

b)Write its IUPAC name

c)Write the structure of the unsaturated compound with the same molecular formula

 



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Qn 9.

Look at the structure of the hydrocarbon

a)To which category of hydrocarbons does this compound belong?

b)Give the molecular formula of this compound

c)Name this compound

 



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Qn 10.

The structure of a hydrocarbon is given

a) Write its molecular formula

b) What is the word root used to represent the number of carbon atoms ?

c) Write its IUPAC name

 



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Qn 11.

The structure of a hydrocarbon is given

a) What is the molecular formula of this compound

b) Write its IUPAC name

c) To which homologous series does this compound belong?

 



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Qn 12.

To which category does CH3-CH2-CH3 belong?

( Alkane,Alkene, Alkyne, Cyclo alkane )

 



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Qn 13.

Write the structure of C3H8



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Qn 14.

Name the functional group of CH3-CH2-OH ?



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Qn 15.

The structure of hydrocarbon is given.

CH3-CH2-CH2-CH2-CH2-CH3

(a) Write the word root used to represent the number of carbon atoms in this compound ?

(b) Give the IUPAC name of this hydrocarbon

 



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Qn 16.

Structure of a cyclic compound is given

  a)Write the molecular formula of the compound

  b)Write its IUPAC name

  c) Write the structure of an open chain hydrocarbon having the same formula

 



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Qn 17.

Some hydrocarbons are given in the box

 

C3H4 , C2H6 , C2H2 , C4H8 , C5H10, C3H8

 

  1. Which belong to the family with the general formula CnH2n+2

  2. Which compounds have a triple bond

  3. Select the alkenes from the box ?

 



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Qn 18.

The details of the hydrocarbon P are given below

 

  1. There are 3 carbon atoms

  2. The family of compounds with P as a member has a general formula CnH2n

  3. The IUPAC name of P is Propene

 

 

  1. Write the condensed formula of the compound

     

  2. Write the IUPAC name of the compound which is before P in the homologous series

     

  3. Give the molecular formula of the compound succeeding P in the series

 



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Qn 19.

The details of the hydrocarbon P are given below

 

  1. There are 3 carbon atoms

  2. The family of compounds with P as a member has a general formula CnH2n

  3. The IUPAC name of P is Propene

 

 

  1. Write the condensed formula of the compound

     

  2. Write the IUPAC name of the compound which is before P in the homologous series

     

  3. Give the molecular formula of the compound succeeding P in the series

 



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Qn 20.

Given below is a homologous series

C2H2

....A....

C4H6

....B....

 

  1. What are A and B

     

  2. To which family do this belong?

    ( Alkane, Alkene, Alkyne )

     

  3. Write the IUPAC name of A

 



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Qn 21.

Given below is a homologous series

C2H2

....A....

C4H6

....B....

 

  1. What are A and B

     

  2. To which family do this belong?

    ( Alkane, Alkene, Alkyne )

     

  3. Write the IUPAC name of A

 



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Qn 22.

The formulae given below are of a homologous series

 

CH4

C2H6

C3H8

 

 

  1. To which category does this belong?

    ( Alkane, Alkene, Alkyne )

     

  2. Write the general formula of this family

     

  3. Write the structure of C2H6

     

  4. Write the IUPAC name of CH4

 



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Qn 23.

The molecular formulae of some hydrocarbons are given

 

C2H4 , C2H2 , C2H6 , C3H4 , C3H8

 

  1. Which one belongs to the alkene family?

     

  2. To which family does C2H2 belong?

     

  3. Which belong to the family with general formula CnH2n+2

 



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Qn 24.

Self linking property of carbon atoms is known as ----------------------------



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Qn 25.

The molecular formula of a cyclic compound is C4H 8.

a) Write the structure of this compound

b) Write the structure of the open chain hydrocarbon having the same molecular formula

 



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Qn 26.

What is the minimum number of carbon atoms required to form a cyclic comound.

(4 ,3 , 2 , 5 )

 



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Qn 27.

The formulae given below are of a homologous series

 

CH4

C2H6

C3H8

 

 

  1. To which category does this belong?

    ( Alkane, Alkene, Alkyne )

     

  2. Write the general formula of this family

     

  3. Write the structure of C2H6

     

  4. Write the IUPAC name of CH4

 



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Qn 28.

 Match the following

A

B

C

Molecular formula

Condensed formula

IUPAC Name

C3H4

 

C4H 8

 

 

C3H8

 

 

CH3 -CH2 -CH3

 

CH≡ C - CH3

 

 

CH2 = CH- CH2 - CH3

 

 

Propyne

 

Butene

 

 

Propane

 

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    Qn 29.

    The molecular formula of a hydrocarbon is C2H4

    a) Name the homologous series of which this is a member

    b) Write the molecular formula of the Fifth member

    c) Write the structure of C2H4 and give its IUPAC name

     



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    Qn 30.

    The molecular formula of a hydrocarbon is C2H4

    a) Name the homologous series of which this is a member

    b) Write the molecular formula of the Fifth member

    c) Write the structure of C2H4 and give its IUPAC name

     



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    Qn 31.

    Categorise the given hydrocarbons

    C2H4 , C3H8 , C4H6 , CH4 , C5H10 , C6H10

    (Hint: Hydrocarbons can be catogorised as Alkanes, Alkenes, Alkynes)

     



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    Qn 32.

    Molecular formulae of some hydrocarbons are given in the box

     

    A

    C3H6 , C4H8 , C5H10 , C6H12

    a) To which Homologous series do these belong?

    b) Give two reasons for them being homologous.

     



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Qn 33.

The structure of a hydrocarbon is given

a) Write the condensed formula

 

b) Write its molecular formula

 

c) Write the structure of the first member of homologous series having this one as a member and give its IUPAC name

 



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Qn 34.

C2H6 , C3H8 , .......... , C5H12 are the members of a homologous series

a)Write the molecular formula of the missing compound

 

b)What is the name of this homologous series

 

c)Write the structure of C2H6

 



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Qn 35.

Name the functional group present in the compound CH3-CH2-CH2-OH ?



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Qn 36.

The structures written by two students are given

 Student 1:                                    

                  

                         

 

Student 2 :              

Write the IUPAC names and say whether these two are isomeric pairs

 



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Qn 37.

 

C3H6 , C3H4, C4H8, C4H10

 

Of the given compounds, the name of which one ends with “-yne”

 



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Qn 38.

C2H6 , C3H8 , .......... , C5H12 are the members of a homologous series

a)Write the molecular formula of the missing compound

 

b)What is the name of this homologous series

 

c)Write the structure of C2H6

 



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Qn 39.

Some molecular formulae are given

(i) C5H12 (ii)C5H10 (iii) C5H8 (iv) C5H12O

a) Which of the above is the molecular formula of Pent-2-ene ?

b)Write the stucture of pent-2-ene.

c) Can there be a compound named pent-3-ene

 



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Qn 40.

Write the two possible structures of compounds with molecular formula C2H6O.Write their IUPAC names.



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Qn 41.

The molecular formula of the carboxylic acid in vinegar is C2H4O2

(a) Write the structural formula

(b) Give its IUPAC name

 



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Qn 42.

CH3-CH2-CH2-CH2-CH2-CH3

(a) Give the IUPAC name of the given open chain compound.

(b) Write the structure of the cyclic compound having the same number of

carbon atoms

(c) Write the IUPAC name of this cyclic compound

 



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Qn 43.

(a) Write the structure of 2,2-dimethylhexane

(b) Write the structure of any one its chain isomer

 



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Qn 44.

The main chain consists of 10 carbon atoms and the same is represented by the word root 'dec'

(a) Give the position of the branches

(b) Write the IUPAC name of the compound

 



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Qn 45.

(a) How many carbon atoms are there in the main chain?

(b) Number the position of the carbon with the branch ?

(c) Name the branch?

(d) Write the IUPAC name of the compound

 



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Qn 46.

 

(a) Write the IUPAC names of the given compounds

(b) Which type of isomers are these compounds ?

 



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Qn 47.

Look at the structure

(a) Write its IUPAC name

(b) Name its position isomer

(c) Write the structure of its functional isomer

 



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Qn 48.

Match suitably

CH3-CH2-CH2-CH2-CH3

2,2- Dimethylpropane

Pentane

       

 

2- Methylbutane

 



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Qn 49.

The chain of a hydrocarbon is given

(a) Complete the structure

(b) How many carbon atoms are there in the longest chain

(c) Give the position of the branch

(d) Write down the IUPAC name of the compound

 



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Qn 50.

The structure of a compound is

(a) What is the IUPAC name of the compound

(b) Write the structure of its isomer

(c) What is the IUPAC name of this isomer.

(d) What type of isomers are these compounds?

 



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Qn 51.

     

(a) How many carbon atoms are there in the longest chain of the compound given above?

(b) Give the position of the branches ?

(c) Write the IUPAC name of this compound

 



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Qn 52.

See the structure given

(a) Write the IUPAC name of this compound

(b) Write the molecular formula of the alkene having the same number of

carbon atoms

(c) Write the structures of the position isomers of this alkene.

 



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Qn 53.

Examine the given structure

(a) Give the name of the functional group?

(b) Write the common name of the category of compounds with this functional group?

(c) Give the IUPAC name of the compound

 



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Qn 54.

IMAGE

(a) How many carbon atoms are there in the parent chain of the above compound?

(b) What is the position of the branched carbon ?

(c) Give the name of the branch?

(d) Write the IUPAC name of the compound

 



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Qn 55.

To which category does the compound CH3-CH=CH2 belong?

( Alkane,Alkene, Alkyne, Cyclo alkane )

 



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Qn 56.

 

(a) How many branches are there in the compound ?

(b)Give the position of the branches ?

(c) Write the IUPAC name

 



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Qn 57.

Write the structure of but-2-ene



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Qn 58.

To which category does CH≡CH belong?

( Alkane,Alkene, Alkyne, Cyclo alkane )

 



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Qn 59.

Examine the given structural formula

(a) What is the molecular formula of the compound.

(b) Identify the functional group?

(c) Give the IUPAC name of the compound

(d) Write the structure of its isomer

 



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Qn 60.

(a) Name the functional group in this compound ?

(b) What is the common name of compounds with this functional group ?

(c) Give the IUPAC name of the compound

 



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Qn 61.

The IUPAC name of a compound is Pent-2-yne

(a) To which category of hydrocarbons does this belong ?

( Alkane,Alkene, Alkyne,)

(b) Give the structure of the compound

(c) What is its molecular formula ?

 



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Qn 62.

The structure of a compound is

(a) What is its molecular formula

(b) To which category of hydrocarbon does this hydrocarbon belong

( Alkane,Alkene, Alkyne,)

(c) Give the IUPAC name of this compound

 



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Qn 63.

 

Write the structure of

3- Ethylhexane

 



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Qn 64.

image

(a) Write the IUPAC name of the compound

(b) What will be the IUPAC name of the compound, if the double bond were in between the second and third carbon atoms?

 



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Qn 65.

Write the structure of

3,3 – Diethylheptane

 



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Qn 66.

Some carbon compounds are given

i) CH2=CH2

ii)

iii)

iv)   CH3-CH2-CH3

a) Catogarise the above as alkane, alkene, alkyne and cyclic compound

b) Most of the compounds in nature contains carbon. Do you agree with this statement? Justify

 



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Qn 67.

     

(a) How many carbon atoms are there in the main chain ?

(b)Give the position of the branches?

(c) Write the IUPAC name

 



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Qn 68.

A few structures are given

a) By which name are these compounds known?

b) How many hydrogen atoms will be there in such a compound with five carbon atoms. Write the structure and give its IUPAC name

 



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Qn 69.

The structure of a hydrocarbon is given

1.Write the IUPAC name of this compound

2.Write the general formula of the family having this one as a member

(CnH2n+2 , CnH2n , CnH2n-2 )

3.Write the molecular formula of the compound after this one in the homologous series

 



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