which one of the following on treatment with 50 percent

Which one of the following on treatment with $$50\% $$ aqueous sodium hydroxide yields the corresponding alcohol and acid?

Answer : Aldehyde and Ketone mcq option image

Solution :
Aldehydes which do not have any $$\alpha $$ - hydrogen atom when heated with a concentrated solution of $$NaOH$$ undergo a simultaneous oxidation and reduction (disproportionation) forming a salt of carboxylic acid and alcohol. This reaction is called Cannizaro reaction.
$$2{C_6}{H_5}CHO + NaOH \to $$ $$\mathop {{C_6}{H_5}C{H_2}OH}\limits_{{\text{Benzyl alcohol}}} + \mathop {{C_6}{H_5}CO\mathop O\limits^ - N\mathop a\limits^ + }\limits_{{\text{Sodium benzoate}}} $$

Releted MCQ Question on
Organic Chemistry >> Aldehyde and Ketone

Releted Question 1

The reagent with which both acetaldehyde and acetone react easily is

A. Fehling’s reagent

B. Grignard reagent

C. Schiff’s reagent

D. Tollen’s reagent

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Releted Question 2

The Cannizzaro reaction is not given by

A. trimethylacetaldehye

B. acetaldehyde

C. benzaldehyde

D. formaldehyde

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Releted Question 3

The compound that will not give iodoform on treatment with alkali and iodine is :

A. acetone

B. ethanol

C. diethyl ketone

D. isopropyl alcohol

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Releted Question 4

Polarisation of electrons in acrolein may be written as

A. $$\mathop {C{H_2}}\limits^{{\delta ^ - }} = CH - \mathop {CH}\limits^{{\delta ^ + }} = O$$

B. $$\mathop {C{H_2}}\limits^{{\delta ^ - }} = CH - CH = \mathop O\limits^{{\delta ^ + }} $$

C. $$\mathop {C{H_2}}\limits^{{\delta ^ - }} = \mathop {CH}\limits^{{\delta ^ + }} - CH = O$$

D. $$\mathop {C{H_2}}\limits^{{\delta ^ + }} = CH - CH = \mathop O\limits^{{\delta ^ - }} $$

View Answer

Which one of the following on treatment with $$50\% $$ aqueous sodium hydroxide yields the corresponding alcohol and acid?

Releted MCQ Question on
Organic Chemistry >> Aldehyde and Ketone

The reagent with which both acetaldehyde and acetone react easily is

The Cannizzaro reaction is not given by

The compound that will not give iodoform on treatment with alkali and iodine is :

Polarisation of electrons in acrolein may be written as

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Aldehyde and Ketone

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Which one of the following on treatment with $$50\% $$ aqueous sodium hydroxide yields the corresponding alcohol and acid?

Releted MCQ Question on Organic Chemistry >> Aldehyde and Ketone

The reagent with which both acetaldehyde and acetone react easily is

The Cannizzaro reaction is not given by

The compound that will not give iodoform on treatment with alkali and iodine is :

Polarisation of electrons in acrolein may be written as

Practice More Releted MCQ Question on Aldehyde and Ketone

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Aldehyde and Ketone