ECAT Pre Engineering Chemistry Chapter 19 MCQ Test With Answer

MCQ's Test For ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons

Try The MCQ's Test For ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons

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ECAT Chemistry Chapter 19 Aliphatic Hydrocarbons

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Question # 1

acetylene can be converted into-while passing through a Cu-tube at 300°C:

Question # 2

Which gas is used for welding purposes

Question # 3

Vinyl acetylene combines with HCl to form:

Question # 4

The four bonds of carbon in methane are directed towards the corners of

Question # 5

The addition of unsymmetrical reagent to an unsymmetrical alkene is in accordance with the rule

Question # 6

Benzene reacts with ozone and gives

Question # 7

Alkene general formula :

Question # 8

Which of the following species participate in sulphonation of benzene ring?

Question # 9

Mustard gas is a

Question # 10

When acetylene is passed through a copper tube at 300°C, it polymerizes to

Question # 11

The saturated hydrocarbons usually end with suffix ______

Question # 12

The reaction in which ketone is reduced to the alkane is called

Question # 13

Alkyl benzenes are readily oxidized by axidfied

Question # 14

A six membered ring containing one double bond called

Question # 15

Which of the following is an ortho-para directing group

Question # 16

The order of dehydration of alcohol

Question # 17

Preparation of vegetable ghee involves

Question # 18

Formula of chloroform is

Question # 19

An alkane is produced when an alkyle halide reacts with zinc in the presence of

Question # 20

The alkynides are used for the ----------- of alkynes

Question # 21

Incomplete oxidation of alkanes yields

Question # 22

Which reaction is too vigorous to control

Question # 23

Synthesis of rubber is made by polymerization of

Question # 24

Synthesis rubber is made by polymerization :

Question # 25

In Friedal-Craft's alkylation besides AlCl3 the other reactants are

Question # 26

In which one of the following compound rings are not fused together at ortho positions

Question # 27

Acetylene gives

Question # 28

Benzene can be obtained by heating either benzoic acid with X or phenol with Y. X and Y are respectively

Question # 29

Ethylene decolorizes cold dilute solution of KMnO4. This test is known as

Question # 30

If we remove one hydrogen atom from an alkane we obtain a group called

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ECAT Chemistry Chapter 19 Important MCQ's

Sr.# Question Answer
1 When an aqueous solution of potassium salt of monocarboxylic acid is subjected to electrolysis, corresponding alkane is formed. This reation is known as
A. Cannizaro reaction
B. Sabatier-secderens reaction
C. Alkylation
D. Kolbe's reaction
2 Which one does not declourized KMnO4
A. Alkenes
B. Alkynes
C. Bezene
D. All above
3 The presence of a double bond in a compound is the sign of
A. Saturation
B. Unsaturation
C. Substitution
D. None of above
4 Which of the following substances is used as an antiknock compound?
A. Tetraethyl lead
B. Lead tetrachloride
C. Lead acetate
D. Ethyle acetate
5 Benzene was discovered by Michael Faraday's in
A. 1824
B. 1825
C. 1826
D. 1827
6 Alkanes have functional group :
A. ----X
B. --OH
C. ----COH
D. No functional group
7 The electrophile in aromatic sulphonation is
A. H2SO4
B. HSO4
C. SO3
D. SO3+
8 Alkyne is :
A. CH3-CH3
B. CH4
C. CH2=CH2
D. C2H2
9 A single benzene ring can have ______ ortho position maximally
A. One
B. Two
C. Three
D. Four
10
Question Image
A. 4-methyl pentene
B. 2-methyle-1-butene
C. 2-methyl propane
D. None of the above

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