Hydrocarbons (NEET Chemistry): Questions 9 - 13 of 45

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Question number: 9

» Hydrocarbons » Alkanes » Preparation

MCQ▾

Question

RX+2NaXRDryetherRR(Alkane)+2NaX

Given reaction is:

Choices

Choice (4) Response

a.

Wolff-Kishner reduction

b.

Wurtz reaction

c.

Grignard reaction

d.

Sabatier Reaction

Question number: 10

» Hydrocarbons » Alkanes » Chemical Properties

MCQ▾

Question

When n-Hexane heated at 773K under high pressure in the presence of Cr2O3 there is the formation of

Choices

Choice (4) Response

a.

2-methyl pentane

b.

Benzene

c.

Toluene

d.

3-methyl pentane

Question number: 11

» Hydrocarbons » Alkanes » Chemical Properties

MCQ▾

Question

C2H6+SO2+Cl2U.Vlight Product. In this reaction product will be -

Choices

Choice (4) Response

a.

CH3CH2Cl

b.

C2H2

c.

CH3CH2SO2Cl

d.

C2H4

Question number: 12

» Hydrocarbons » Preparation, Properties and Reactions

Assertion-Reason▾

Assertion (Ꭺ)

Melting point of n-butane is higher than propane.

Reason (Ꭱ)

It is called oscillation effect.

Choices

Choice (4) Response

a.

Ꭺ is false but Ꭱ is true

b.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

c.

Ꭺ is true but Ꭱ is false

d.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

Question number: 13

» Hydrocarbons » Preparation, Properties and Reactions

Assertion-Reason▾

Assertion (Ꭺ)

Cyclobutan is less stable than cyclopentane

Reason (Ꭱ)

Presence of bent bonds causes “loss of orbital overlap”.

Choices

Choice (4) Response

a.

Both Ꭺ and Ꭱ are true and Ꭱ is the correct explanation of Ꭺ

b.

Both Ꭺ and Ꭱ are true but Ꭱ is NOT the correct explanation of Ꭺ

c.

Both Ꭺ and Ꭱ are false

d.

Ꭺ is true but Ꭱ is false

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