In the reaction,How many electron donating groups are attached wi

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 Multiple Choice QuestionsMultiple Choice Questions

501.

Polysubstitution is a major drawback in

  • Friedel Craf t’ s alkylation

  • Reimer Tiemann reaction

  • FriedelCraft's acylation

  • Acetylation of aniline


502.

The increasing order of the reactivity of the following compounds towards electrophilic aromatic substitution reactions is :

              

  • III < I <II

  • III< II<I

  • I< III< II

  • II< I < III


503.

The major product of the following reaction is :

  


504.

The major product obtained in the given reaction is:


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505.

The major product obtained in the given reaction is:


506.

The major product ‘Y’ in the following reaction is :


507.

The correct statement regarding the comparison of staggered and eclipsed conformations of ethane is

  • The eclipsed conformation of ethane is more stable than staggered conformation because eclipsed conformation has no torsional strain

  • The eclipsed conformation of ethane is more stable than staggered conformation even though the eclipsed conformation has torsional strain

  • The staggered conformation of ethane is more stable than eclipsed conformation because staggered conformation has no torsional strain

  • The staggered conformation of ethane is more stable than eclipsed conformation because staggered conformation has no torsional strain

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508.

The IUPAC name of the compound CH subscript 3 CH space equals space CHC space identical to space CH is

  • pent - 4 yn - 2- ene

  • pent - 3-en - 1-yne

  • pent - 2- en-4 -yne

  • pent - 2- en-4 -yne

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509.

Which of the following hydrocarbons is the most reactive towards addition of H2SO4?

  • Ethene

  • Propylene

  • 3-methyl but-1-ene

  • 1-butene


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510.

In the reaction,

How many electron donating groups are attached with the carbon atom of unsaturated part of the product 'B' ?

  • Two

  • Three

  • Four

  • None of these


A.

Two

There are two electron donating grops present at the carbon of unsaturated part of product 'D', i.e. C.


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