formalin is an aqueous solution of 843021211

Formalin is an aqueous solution of

A. fluorescein

B. formic acid

C. formaldehyde

D. furfuraldehyde

Answer : formaldehyde

Solution :
The 40% solution of formaldehyde in water is sold in market under the name of formalin. Formaldehyde in the form of formalin ( 40% formaldehyde, 8% methanol and 52% water ) is used for preserving biological specimens.
Formaline solution also used as a disinfectants and commonly used in hardeness and nail varnish.

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

View Answer

Releted Question 2

The Cannizzaro reaction is not given by

A. trimethylacetaldehye

B. acetaldehyde

C. benzaldehyde

D. formaldehyde

View Answer

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

View Answer

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

Formalin is an aqueous solution of

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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Formalin is an aqueous solution of

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

Practice More MCQ Question on Chemistry Section

Releted MCQ Question on
Organic Chemistry >> Aldehyde and Ketone

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Aldehyde and Ketone