The presence of a carboxyl group in a compound can be detected using:

2,4-dinitro phenyl hydrazine

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neutral

F e C l_{3}

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N a H C O_{3}

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C H C l_{3}

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Solution

The correct option is B $N a H C O_{3}$
$O$
$- | | C - O^{⊝}$ carboxyl group in a compound can be detected by treating it with $N a H C O_{3}$ . On reaction with $N a H C O_{3}$ , $C O_{2}$ gas is evolved which turns lime water milky.

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Similar questions

Q. Complete and rewrite the balanced chemical equation

B u t a n o n e

+

2, 4

d i n i t r o - p h e n y l h y d r a z i n e

Q. Complete and rewrite the balanced chemical equation.
Butanone

+ 2, 4

dinitro-phenyl hydrazine

^{+} ?

An organic compound having the formula C₃H₆O does not give a precipitate with 2,4 dinitro phenyl hydrazine and does not react with sodium metal. The compound is expected to be

A. CH₃CH₂CHO B. CH₃COCH₃ C. CH₂=CHCH₂OH D.CH₂=CH-OCH₃

Q. Presence of halogen in organic compounds can be detected using:

Q. Cumene

O_{2} - \to h v H^{+} - - \to △ A + B

A and B can be distinguished by which of the following reagents?
(i) Neutral

F e C l_{3}

(ii)

2, 4

D N P

(iii)

B r_{2} / H_{2} O

(iv) aq

N a H C O_{3}

(v)

I_{2}

N a O H

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The presence of a carboxyl group in a compound can be detected using:

The correct option is B NaHCO3 O−||C−O⊝ carboxyl group in a compound can be detected by treating it with NaHCO3. On reaction with NaHCO3, CO2 gas is evolved which turns lime water milky.

The correct option is B $N a H C O_{3}$
$O$
$- | | C - O^{⊝}$ carboxyl group in a compound can be detected by treating it with $N a H C O_{3}$ . On reaction with $N a H C O_{3}$ , $C O_{2}$ gas is evolved which turns lime water milky.