Kerala Syllabus SAMAGRA SCERT SAMAGRA Question Pool for Class 10 English Medium Chemistry Chemical reaction of organic compounds
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)
a. CH3Cl
b. Substitution
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Answer the question by analysing the equation given
CH4 + Cl2 → A + HCl
CH4 + 2O2 → B + C+ heat
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.?
a) A – CH3Cl
B – CO2
C - H2O
D
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
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?
a)CH3-COOH, CH3-CH2OH
b)CH3-CH2OH,
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Choose the suitable compounds from those given in brackets to make it undergo the following reaction
CH4, C2H4, C8H18 , CH3Cl |
Thermal cracking
Polymerisation
C8H18
C2 H4
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Why are hydrocarbons used as fuel ?
During the combustion of hydrocarbons large amount of heat energy is released /Burning of hydrocarbon is highly
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
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)
Used as a solvent and in production of different organic compounds
Used in the production of artificial perfumes
Used as fuel in automobiles
Used in making non-stick cooking vessels
ethanol,
Ester,
power
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
a) What is power alcohol?
b) What is its use ?
a)A mixture of absolute alcohol and petrol
b) It is used as fuel in
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Write the structures of A and B
Name the catagory of compounds to which B belongs?
A CH3 COOH
B CH3 COOCH2 -
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
what are A and B ?
How is rectified spirit produced from the mixture ?
A – Invertase . B – C2H5-OH
Fractional
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Ethanol is produced by the fermentation of diluted molasses. What is meant by molasses?
Molasses is the concentrated solution of sugar left behind after separation of sugar crystals during the manufature of
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
C3H8 → CH4 + A
Give the molecular formula of A
To which catagory does the compound A belong?
(Alkane , Alkene ,Alkyne )
C2H4
Alkene
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
What are the products formed by the complete burning of butane in air ?
Name this reaction.
CO2 , H2O (carbon dioxide,
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Which among the following can undergo addition reaction?
(C3H8 , C2H4 , CH4 , C4H10 )
C2 H4
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Match suitably
Reactants |
Products |
Name of the reaction |
|
CH2=CH2 + Cl2 CH3–CH3 4CO2 + 6H2O CH3–CH2–Cl + HCl |
Addition reaction Substitution reaction Thermal cracking Combustion |
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Give the products formed by the following reactions
CH2=CH2 + HCl → -------
CH≡CH + 2H2 → ---------
a) CH3-CH2Cl
b)
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
An organic reaction is given
CH2=CH2 + A → CH3-CH2Cl
What is A?
What is the name for this type of reaction?
HCl
Addition
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
An organic reaction is given.
A + Cl2 → CH3Cl + HCl
What is the compound A ?
By which name is this reaction known?
CH4
Substitution
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
An incomplete equation showing a polymerisation reaction is given
nCH2=CHCl → -----------
Draw the structrue of the product
Write any one use of the product
It is used for the production of pipes(or any other
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
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
a)Tetrafluoroethene
b)Teflon/ PTFE
c) It is used for coating on inner surface of non- stick cookware(Any other
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
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?
a) Unsaturated hydrocarbon CH2=CH–CH3
Saturated hydrocarbon CH3–CH2–CH3
b)
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
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 ?
a) CH3-COO-CH3
b)
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
a)How is ethanol converted to denatured spirit ?
b) Why is it necessary? Explain
a) By adding poisonous substance like methanol
b) For preventing the use of industrial alcohol as beverage
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Name the polymer formed by the combination of vinylchloride molecules
Poly vinylchloride/PvC
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Structural formula of some compounds are given
CH3–CH2–COO–CH3
CH3–CH2–COOH
CH3–CH2–CO-CH3
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.
a)CH3–CH2–COO–CH3
b)Methanol and Propanoic acid or (CH3–OH,
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Some equations are given
CH2 = CH2 + A → CH3 – CH3
CH3 – CH3 + Cl2 → B + HCl
Fiind out A and B
Write the name of the second reaction
A - H2 B
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
PVC is a polymer used for the preparation of pipes. What is the name of its monomer?
Vinyl chloride / CH2 = CHCl
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Choose the two products formed by the thermal cracking of CH3–CH2–CH3 from the box given below and write them.
CH4 CH3–CH2–CH=CH2 CH2=CH2 CH3–CH2-CH3 |
CH4 ,CH2=CH2
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Choose Grape spirit and Wood spirit from the following
(CH3-CH2-OH, CH3-COOH, CH3-OH, )
Grape spirit - CH3-CH2-OH
Wood spirit -
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Formula of a compound is CH3–OH
Write the IUPAC name of the compound? 1
Write two uses of this compound
Methanol
Manufacture of many compounds such as formalin,antifreeze,denaturant e.t.c (Any
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Complete the following equation
nCH2=CHCl → ------
Write the name of the reaction
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Some compounds are given
A. CH2 = CH – CH2 – CH3
B. CH3 – CH2 – CH3
C. CH3 – CH = CH2
D. CH4
E. CH3 – CH2 – CH2 – CH3
Which of these compounds can form polymer?
What are the products obtained by thermal cracking of B?
CH2=CH–CH2-CH3, CH3-CH=CH2
CH2=CH2,
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
a) How is ethanoic acid prepared industrially?
b)Write any two uses of ethanoic acid.
a) Ethanoic acid can be manufactured by reacting methanol with carbon monoxide in the presence of catalyst
CH3-OH + CO →
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
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?
Fermentation
Invertase,
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Explain the following
Wash
Rectified spirit
Absolute alcohol
a) 8-10% ethanol is known as wash
b)Wash is subjected to fractional distillation to get 95.6% ethanol , known as
rectified spirit
c) Ethanol
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Write any two uses of ethanol
As preservative
As fuel (any two
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Match the following
A |
B |
|
|
Addition reaction
Thermal
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
a. What is the name of the compound A?
b. To which type does this reaction belong?
(Addition reaction, Substitution reaction, Combustion, Polymerisation) (1)
a. CH3Cl
b. Substitution
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
CH3 -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
a. CH3 – CH = CH2 / Propene
b. CH3 – CHCl– CH2Cl / 1,2-dichloro
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
A CH ≡ CH + H2 →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?
a) X. CH2 = CH2
Y. CH3 – CH3
Z. CH3 – CH2Cl
b)
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Different types of reactions are given in brackets
( Addition reaction, Polymerisation, Substitution, Combustion )
a. CH4 + 202 →CO2 + 2 H2O
b. CH3 – CH3 + Cl2 →CH3 – CH2 – Cl + HCl
c. n CH2 = CH2 →- -[- CH2-CH2--]-n
d. CH2 = CH2 + H2 →CH3 – CH3
Find the type of reaction to which each of the above ones belong and write them.
a. Combustion
b. Substitution
c. Polymerisation
d. Addition
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
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
a.CH3-CH2Cl
b.
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
a. Which is the monomer of this reaction?
b. Write the name of the polymer.
c. Which type of chemical reaction is this?
a. Ethene/CH2 =CH2
b. Polythene
c.
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Class 10 English Medium Tuition
Get Free Study Materials + 1 Week Free Trial of BrainsPrep Tuition
Download App and View Complete Answer for FREE |