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Chemistry Class 12 Chapter 8
Aliphatic Hydrocarbons
Test 6
1.
The reaction of alcoholic KOH on ethyle chloride gives?
Methane
Acetylene
Ethane
Ethene
2.
Impure acetylene has garlic type smell due to?
AsH
3
PH
3
NH
3
H
2
S
3.
Which method can be used to prepare alkane , alkene and alkyne?
Kolb’s electrolysis
Frankland reaction
Dehydrohelogenetion of alkyle halide
Dehydration of alcohol
4.
On heating CH
3
COOH with soda lime the gas evolved is?
C
-2
H
2
C
2
H
4
C
2
H
6
CH
4
5.
Molecule is which the distance between the adjacent carbon atoms is larger is?
Ethane
Benzene
Ethane
Ethyne
6.
The most volite alkane is?
isopentane
Neopentane
n-hexane
n-pentane
7.
Amonical silver nitrate reacts with acetylene to form?
Silver acetate
Silver oxide
Silver acetylide
Silver formate
8.
Propye and propene can be distinguished by?
Dil.KMnO
4
AgNO
3
in ammonia
Br
2
in CCl
4
Conc.H
2
SO
4
9.
Most of hydrocarbons are obtained by petroleum by?
Destructive distillation
Vacuum distillation
Fraction distillation
Dry distillation
10.
Acetylene and ethylene react with alk.KMnO
4
to give?
Ethyle alcohol and ethylene glycol
Oxalic acid and formic acid
None of these
Acetic acid and ethylene glycol
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