Topic: UNIT 13: Hydrocarbons (Test 3)



Topic: UNIT 13: Hydrocarbons
Q.1
 is
A.
B.
C.

both (a) and (b)

D.
Answer : Option D
Explaination / Solution:
No Explaination.


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Q.2
Which of the following compounds will not undergo Friedal – crafts reaction easily ?
A. Nitro benzene
B. Toluene
C. Cumene
D. Xylene
Answer : Option A
Explaination / Solution:
No Explaination.


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Q.3
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating ?
A. – COOH
B. – NO2
C. – C N
D. – SO3H
Answer : Option B
Explaination / Solution:
No Explaination.


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Q.4
Which of the following can be used as the halide component for friedal - crafts reaction ?
A. Chloro benzene
B. Bromo benzene
C. chloro ethene
D. isopropyl chloride
Answer : Option D
Explaination / Solution:
No Explaination.


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Q.5
Analkane is obtained by decarboxylation of sodium propionate. Same alkane can be prepared by
A. Catalytichydrogenation of propene
B. action of sodium metal on iodomethane
C. reduction of 1 – chloro propane
D. reduction of bromomethane
Answer : Option B
Explaination / Solution:
No Explaination.


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Q.6
Which of the following is aliphatic saturated hydrocarbon
A. C8H18
B. C9H18
C. C8H14
D. All of these
Answer : Option A
Explaination / Solution:
No Explaination.


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Q.7
Identify the compound 'Z' in the following reaction
A. Formaldehyde
B. Acetaldehyde
C. Formic acid
D. none of these
Answer : Option A
Explaination / Solution:
No Explaination.


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Q.8
Peroxide effect (Kharasch effect) can be studied in case of
A. Oct – 4 – ene
B. hex – 3 – ene
C. pent – 1 – ene
D. but – 2 – ene
Answer : Option C
Explaination / Solution:
No Explaination.


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Q.9
2 – butyne on chlorination gives
A. 1 – chloro butane
B. 1, 2 – dichloro butane
C. 1, 1, 2, 2 – tetrachlorobutane
D. 2, 2, 3, 3 – tetra chloro butane
Answer : Option D
Explaination / Solution:
No Explaination.


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