Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

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Tollen’s reagent form a silver mirror when reacted with:

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Important Questions on Organic Chemistry-II

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

Columns 1, 2 and 3 contain starting materials, reaction conditions and type of reactions respectively.

Column 1	Column 2	Column 3
(I) Toulene	(i) $N a O H / B r_{2}$	(P) Condensation
(II) Acetophenone	(ii) $B r_{2} / h v$	(Q) Carboxylation
(III) Benzaldehyde	(iii) ${(C H_{3} C O)}_{2} O / C H_{3} C O O K$	(R) Substitution
(IV) Phenol	(iv) $N a O H / C O_{2}$	(S) Haloform

For the synthesis of benzoic acid the only correct combination is

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

In the following reaction sequence, the amount of

D

(in g) formed from

10

moles of acetophenone is ____.

(Atomic weights in

g m o l^{- 1} :

H = 1, C = 12, N = 14, O = 16, Br = 80 .

The yield (%) corresponding to the product in each step is given in the parenthesis)

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

Give one chemical test each to distinguish between acetaldehyde and benzaldehyde.

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

An organic compound

C_{2} H_{4} O

gives red precipitate when warmed with Fehling’s solution. Give the IUPAC name of the compound and write the chemical equation for the reaction.

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

Which of the following pairs of organic compounds give positive Tollen's test?

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

How will you distinguish between propanal and propanone?

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

Identify the compounds A and B in the given reactions:

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

Write the chemical equations for the following reaction: Haloform reaction

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

After completion of the reactions (I and II), the organic compound(s) in the reaction mixtures is(are):

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

The major products formed in the following reaction sequence $A$ and $B$ are:

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

The reaction of ethyl methyl ketone with

C l_{2}

excess

O H^{-}

gives the following major product

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

The compound that does not undergo haloform reaction is

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

The compound that reduces Tollens' reagent is

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

Name one reagent used to distinguish acetaldehyde from acetone.

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

What happens when (Write chemical equations only) Acetone reacts with iodine in presence of

NaOH

?

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

In the following, which one reduces Fehling solution -

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

How will you distinguish between Aldehyde and Ketone by chemical test?

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

The structure of the starting compound $P$ used in the reaction given below is:

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

Haloform reaction with

I_{2}

and

KOH

will be responded by

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Science>Chemistry>Organic Chemistry-II>Chemical Properties of Aldehydes and Ketones

Which is the most suitable reagent for the following conversion?

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