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Formation of Enamines

Solution whic...

Question

Solution which is used to detect presence of aldehyde or ketone is :

2,4-dinitrophenylhydrazine

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BNPH

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both

A

and

B

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Tollen's reagent

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Solution

The correct option is C both $A$ and $B$
$2, 4 -$ dinitrophenylhydrazine is also called Brady's reagent used for the detection of presence aldehyde and ketone, which makes hydrazine into hydrozone.
BNPH is nothing but again DNP(Binitropheny hydrazine) which gives same complexes.

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Similar questions

A g N O_{3}

N H_{4} O H

A g^{+} + e^{-} \to A g; E_{r e d}^{o} = 0.80 V

C_{6} H_{12} O_{6} + H_{2} O \to C_{6} H_{12} O_{7} + 2 H^{+} + 2 e^{-}; E_{o x i}^{o} = - 0.05 V

A g (N H_{3})_{2}^{+} + e^{-} \to A g (s) + 2 N H_{3}; E_{r e d}^{o} = 0.337 V

log K

2 A g^{+} + C_{6} H_{12} O_{6} + H_{2} O \to 2 A g (s) + C_{6} H_{12} O_{7} + 2 H^{+}

(Take : 2.303 \times \frac{R T}{F} = 0.06 at 298 K)

A g N O_{3}

N H_{4} O H

A g^{+} + e^{-} \to A g; E_{r e d}^{o} = 0.80 V

C_{6} H_{12} O_{6} + H_{2} O \to C_{6} H_{12} O_{7} + 2 H^{+} + 2 e^{-}; E_{o x i}^{o} = - 0.05 V

A g (N H_{3})_{2}^{+} + e^{-} \to A g (s) + 2 N H_{3}; E_{r e d}^{o} = 0.337 V

log K

2 A g^{+} + C_{6} H_{12} O_{6} + H_{2} O \to 2 A g (s) + C_{6} H_{12} O_{7} + 2 H^{+}

(Take : 2.303 \times \frac{R T}{F} = 0.06 at 298 K)

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