Identify the correct decreasing order of priority of the functional groups from the following:

- C O N H_{2}, - C = O, - H C = O, - C N

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- C O N H_{2}, - C N, - H C = O, - C = O

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- C N, - C O N H_{2}, - C = O, - H C = O

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- C N, - C O N H_{2}, - H C = O, - C = O

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Solution

The correct option is C $- C O N H_{2}, - C N, - H C = O, - C = O$
$A m i d e s > N i t r i l e s > A l d e h y d e s > k e t o n e s$
Option B is correct.

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Similar questions

Q. Assertion :In the case of polyfunctional compounds, the choice of principal functional group is made on the basis of order of preference. Reason: The order of decrease priority for some functional group is

- C O O H, - S O_{3} H, - C O O R, - C O C l_{3}, - C O N H_{2}, - C N, - C H = O, - O H, C = O, C = C, - C = C -

(1) $- C \equiv N$ , (2) $- C O N H_{2}$ , (3) $- O | | C -$ , (4) $- C H O$
The decreasing order of priority for the given functional groups (for IUPAC nomenclature) is:

Q. In the reaction,

H C_{2} O_{4}^{-} + P O_{4}^{3 -} ⇌ H P O_{4}^{2 -} + C_{2} O_{4}^{2 -}

The Bronsted bases are:

Q. Calculate pH of

1

M

N a H C O_{3}

. Given

H_{2} C O_{3} + H_{2} O ⇌ H C O_{3}^{-} + H_{3} O^{+};

p K_{1} = 6.38

H C O_{3}^{-} + H_{2} O ⇌ C O_{3}^{2 -} + H_{3} O^{+};

p K_{2} = 10.26

Q. The decreasing order of priority for the following functional groups is :
I.

- C \equiv N

II.

- C O N H_{2}

III.

- O H

IV.

- C H O

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Identify the correct decreasing order of priority of the functional groups from the following:

The correct option is C −CONH2,−CN,−HC=O,−C=OAmides > Nitriles > Aldehydes > ketonesOption B is correct.

The correct option is C $- C O N H_{2}, - C N, - H C = O, - C = O$
$A m i d e s > N i t r i l e s > A l d e h y d e s > k e t o n e s$
Option B is correct.