Question Pool Chemical reaction of organic compounds

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

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

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Qn 1.

CH4 + Cl             A + HCl

a. What is the name of the compound A?

b. To which type does this reaction belong?

(Addition reaction, Substitution reaction, Combustion, Polymerisation‍)



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Qn 2.

Answer the question by analysing the equation given

  1. CH4 + Cl→ A + HCl

  2. CH4 + 2O2 → B + C+ heat

  3. nCH2=CH2 → D

a) What are A, B, C and D

b)Name the product D formed during the third reaction

c)To which type of reaction does the first equation belong.?



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Qn 3.

Ethanol and Ester

A. CH3–COOH

B. CH3–CH2–OH

C. Petrol

Answer the questions related with the given compounds

a) Choose the substances which can be used to make an ester

b) Which of the above substances are used to make power alcohol?



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Qn 4.

Choose the suitable compounds from those given in brackets to make it undergo the following reaction

CH4, C2H4, C8H18 , CH3Cl

 

  1. Thermal cracking

  2. Polymerisation



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Qn 5.

Why are hydrocarbons used as fuel ?



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Qn 6.

Uses of some organic compounds are given below.Choose the appropriate compound from the bracket according to each use. 

(Teflon ‍, Ester‍, Ethanoic acid, ethanol‍, power alcohol)

  1. Used as a solvent and in production of different organic compounds

  2. Used in the production of artificial perfumes

  3. Used as fuel in automobiles

  4. Used in making  non-stick cooking vessels



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Qn 7.

a) What is power alcohol?

b) What is its use ?



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Qn 8.

  1. Write the structures of A and B

  2. Name the catagory of compounds to which B belongs?



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Qn 9.

  1. what are A and B ?

  2. How is rectified spirit produced from the mixture ?



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Qn 10.

Ethanol is produced by the fermentation of diluted molasses. What is meant by molasses?



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Qn 11.

C3H8 → CH4 + A

  1. Give the molecular formula of A

  2. To which catagory does the compound A belong?

(Alkane , Alkene ,Alkyne )



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Qn 12.
  1. What are the products formed by the complete burning of butane in air ?

  2. Name this reaction.



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Qn 13.

Which among the following can undergo addition reaction?

(C3H, C2H, CH, C4H10 )



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Qn 14.

Match suitably

Reactants

Products

Name of the reaction

  1. CH3–CH3 + Cl2

  2. 2CH3–CH3 + 7O2

  3. CH2=CH2 + H2

  4. CH3–CH2–CH3

CH2=CH2   + Cl2

CH3–CH3

4CO+ 6H2O

CH3–CH2–Cl + HCl

Addition reaction

Substitution reaction

Thermal cracking

Combustion

 

  • Answer)

     

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    Qn 15.

    Give the products formed by the following reactions

    1. CH2=CH2 + HCl → -------

    2. CH≡CH + 2H→ ---------



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    Qn 16.

    An organic reaction is given

    CH2=CH2 + A → CH3-CH2Cl

    1. What is A?

    2. What is the name for this type of reaction?



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    Qn 17.

    An organic reaction is given.

    A + Cl2 → CH3Cl + HCl

    1. What is the compound A ?

    2. By which name is this reaction known?



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    Qn 18.

    An incomplete equation showing a polymerisation reaction is given

    nCH2=CHCl → -----------

    1. Draw the structrue of the product

    2. Write any one use of the product



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    Qn 19.

    A polymerisation reaction is given

    n CF2 = CF2 → -- [--CF2- CF2 --]-- n

    a)Name the monomer .

    b)What is the name of the polymer?

    c)Give any one use of the polymer



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    Qn 20.

    Examine the equation given

    CH2=CH–CH3 + H2 → CH3–CH2–CH3

    a) Choose the saturated hydrocarbon and unsaturated hydrocarbon in the above equation

    b)By which name is this type of reactions are known?



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    Qn 21.

    See the equation given

    CH3–COOH + CH3–OH → A + H2O

    a) Write the formula of A and complete the equation.

    b)To which catagory of compounds does A belong ?



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    Qn 22.

    a)How is ethanol converted to denatured spirit ?

    b) Why is it necessary? Explain



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    Qn 23.

    Name the polymer formed by the combination of vinylchloride molecules



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    Qn 24.

    Structural formula of some compounds are given

    1. CH3–CH2–COO–CH3

    2. CH3–CH2–COOH

    3. CH3–CH2–CO-CH3

    4. CH3–OH

    a)Which  of the above  compunds represent an ester ?

    b)Name the compounds needed to prepare this ester

    c)Write the equation of the above reaction.

    d)Write one use of ester.



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    Qn 25.

    Some equations are given

     CH2 = CH+ A → CH3 – CH3

    CH3 – CH+ Cl2 → B + HCl

    1. Fiind out A and B

    2. Write the name of the second reaction



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    Qn 26.

    PVC is a polymer used for the preparation of pipes. What is the name of its monomer?



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    Qn 27.

    Choose the two products formed by the thermal cracking of CH3–CH2–CHfrom the box given below and write them.

    CH4                           CH3–CH2–CH=CH2

    CH2=CH2                                      CH3–CH2-CH3

     



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    Qn 28.

    Choose Grape spirit and Wood spirit from the following

    (CH3-CH2-OH, CH3-COOH, CH3-OH, )



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    Qn 29.

    Formula of a compound is CH3–OH

    1. Write the IUPAC name of the compound? 1

    2. Write two uses of this compound



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    Qn 30.
    1. Complete the following equation
      nCH2=CHCl → ------

    2. Write the name of the reaction



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    Qn 31.

    Some compounds are given

    A. CH= CH – CH2 – CH3

    B. CH3 – CH2 – CH3

    C. CH3 – CH = CH2

    D. CH4

    E. CH3 – CH2 – CH2 – CH3

    1. Which of these compounds can form polymer?

    2. What are the products obtained by thermal cracking of B?



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    Qn 32.

    a) How is ethanoic acid prepared industrially?

    b)Write any two uses of ethanoic acid.



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    Qn 33.

    Ethanol is prepared from sugar solution by adding yeast.

    a) What is the name of the process by which ethanol is produced ?

    b) Which enzymes present in yeast  are used in this process?



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    Qn 34.

    Explain the following

    1. Wash

    2. Rectified spirit

    3. Absolute alcohol



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    Qn 35.

    Write any two uses of ethanol



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    Qn 36.

    Match the following

    A

    B

    1. CH2 = CH2 + H2 → CH3 – CH3

    2. CH3 – CH2 – CH→ CH2 = CH2 + CH4

    3. CH4 + Cl2 → CH3Cl + HCl

    4. n CH2 = CH2 → [CH2 – CH2]n

    1. Polymerisation

    2. Substitution

    3. Additon reaction

    4. Thermal cracking
       



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    Qn 37.

    a. What is the name of the compound A?

    b. To which type does this reaction belong?

    (Addition reaction, Substitution reaction, Combustion, Polymerisation‍) (1)



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    Qn 38.

    CH-CH = CH2 + Cl2 → A

    a which is the reactant hydrocarbon?

    b. Write the name or structure of the product A

    c. Write the name of the reaction



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    Qn 39.

    A  CH ≡ CH + H →X

    B   X + H2 →Y

    C   Y + Cl2 →Z + HCl

    a. Write the molecular formula of the compounds X, Y and Z

    b. By which name the reaction B is known?



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    Qn 40.

    Different types of reactions are given in brackets‍

    ( Addition reaction, Polymerisation, ‍ Substitution, Combustion )

    a. CH+ 202  →CO+ 2 H2O

    b. CH– CH+ Cl2 →CH– CH2 – Cl + HCl

    c. n CH2 = CH →- -[- CH2-CH2--]-n

    d. CH2 = CH+ H2 →CH3 – CH3

    Find the type of reaction to which each of the above ones belong and write them.



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    Qn 41.

     CH2 = CH2 + HCl →X

    a. Write the chemical formula of the product X formed during the reaction

    b. Write the IUPAC name of the product



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    Qn 42.

    a. Which is the monomer of this reaction?

    b. Write the name of the polymer.

    c. Which type of chemical reaction is this?



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