The major product of the following reaction is: from Chemistry A

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 Multiple Choice QuestionsMultiple Choice Questions

881.

The IUPAC name of the following compound is:

H3C-CH|CH3-CH|OH-CH2-COOH

  • 3-Hydroxy-4-methylpentanoic acid

  • 4,4-Dimethyl-3-hydroxybutanoic acid

  • 4-Methyl-3-hydroxypentanoic acid

  • 2-Methyl-3-hydroxypentan-5-oic acid


882.

The major product of the following reaction is:


883.

In the following reaction carbonyl compound +MeOH HCl acetal.

Rate of the reaction is highest for:

  • Acetone as substrate and methanol in excess

  • Propanal as substrate and methanol in stoichiometric amount.

  • Propanal as substate and methanol in excess.

  • Acetone as substrate and methanol in stoichiometric amount.


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884.

The major product of the following reaction is:


C.


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885.

The major product obtained in the following reaction is:


886.

Major products of the following of the reaction are

  • CH3OH and HCO2H


887.

The major product of the following reaction is


888.

Compound A(C9H10O) shows positive iodoform rest. Oxidation of A with KMnO4/ KOH gives B(C8H6O4). Anhydride of B is used for the preparation of phenolpthalein. Compound A is:


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889.

Which one will not show Cannizzaro reaction ?

  • Trimethyl acetaldehyde

  • Formaldehyde

  • Acetaldehyde

  • Benzaldehyde


890.

The correct statement regarding a carbonyl compound with a hydrogen atom on its alpha -carbon, is

  • a carbonyl compound with a hydrogen atom on its alpha -carbon rapidly equilibrates with its corresponding enol and this process is known as aldehyde-ketone equilibration.

  • a carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as carbonylation

  • a carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as keto-enol tautomerism

  • a carbonyl compound with a hydrogen atom on its alpha-carbon rapidly equilibrates with its corresponding enol and this process is known as keto-enol tautomerism

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