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 Multiple Choice QuestionsLong Answer Type

111.

Discuss:
(a) Nitration of an alkane.
(b) Sulphonation of alkane.

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 Multiple Choice QuestionsShort Answer Type

112. What do you mean by isomerization of alkanes?
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 Multiple Choice QuestionsLong Answer Type

113.

Explain briefly the process of cracking or pyrolysis.

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114. What are the products of chlorination of methane? Describe the mechanism of the formation of each?
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115.

What is reforming (or aromatization)? Why is it done?

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 Multiple Choice QuestionsShort Answer Type

116.

Define the terms conformation and conformational isomerism.

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117.

Define the terms conformation and conformational isomerism.

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118. Discuss the conformation in the molecule of ethane.
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 Multiple Choice QuestionsLong Answer Type

119.

Out of staggered and eclipsed conformations of ethane, which is more stable and why ?

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 Multiple Choice QuestionsShort Answer Type

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120.

Can eclipsed and staggered conformations of ethane be isolated? Give reasons.


No, because the difference of energy between these two conformations is very small, so even at room temperature these two interconvert rapidly and hence cannot be isolated.

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