Class XI Chemistry Hydrocarbons 3

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Question 1

The hydrocarbon which can react with sodium in liquid ammonia is

• ACH₃CH=CHCH₃
• BCH₃CH₂C≡CCH₂CH₃
• CCH₃CH₂CH₂C≡CCH₂CH₂CH₃
• DCH₃CH₂C≡CH

Question 2

The gas leaked from a storage tank of the Union Carbide plant in Bhopal gas tragedy was:

• AMethylamine
• BAmmonia
• CPhosgene
• DMethylisocyanate

Question 3

• A
• B
• C
• DNone

Question 4

Ring structure of glucose is due to formation of hemiacetal and ring formation between

• AC₁ and C₅
• BC₁ and C₄
• CC₁ and C₃
• DC₃ and C₄

Question 5

How many meso diastereomers of formula C₆H₁₂Cl₂ is /are possible

• A1
• B2
• C3
• D4

Question 6

2-chloro-2-methylpentane on reaction with sodium methoxide in methanol yields:
(a)
(b)
(c)

• A(c) only
• B(a) and (b) only
• CAll of these
• D(a) and (c)

Question 7

The reduction of 4-octyne with H₂ in the presence of Pd/CaCO₃ – quinoline gives (as a major product) -

• Atrans-4-octene
• Bcis- 4- octene
• Ca mixture of cis and trans-4-octene
• Da completely reduced product C₈H₁₈

Question 8

If we heat ethylidene chloride with Na/ether then products are -

• ACH₃–CH=CH–CH₃
• BCH₃–CH=CH₂
• CBoth A and B
• DNone of these

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