Which of the following compound can form hydrazone and will give iodoform test but will not give Tollen's test ?

Question

Which of the following compound can form hydrazone and will give iodoform test but will not give Tollen's test ? (A)  (B) H3C - underset overset||OC - CH2 - CH3 (C) H3C - underset overset||OC - CH2 - CHO (D) CH3 - CH2 -OH

Tardigrade Admin · Accepted Answer

* Carbonyl compound form hydrazone with NH 2 NH 2 * Ethanol, 2 -alkanol, in aldehyde only acetaldehyde and all methyl ketone give haloform reaction.

* All aldehyde and α-hydroxy carbonyl give Tollen's test. So answer is

Q. Which of the following compound can form hydrazone and will give iodoform test but will not give Tollen's test ?

$H_{3} C - O ∣∣ C - C H_{2} - C H_{3}$

$H_{3} C - O ∣∣ C - C H_{2} - C H O$

$C H_{3} - C H_{2} - O H$

* Carbonyl compound form hydrazone with $N H_{2} N H_{2}$
* Ethanol, $2$ -alkanol, in aldehyde only acetaldehyde and all methyl ketone give haloform reaction.

* All aldehyde and $α$ -hydroxy carbonyl give Tollen's test. So answer is

Q. Which of the following compound can form hydrazone and will give iodoform test but will not give Tollen's test ?

H3​C−O∣∣C​−CH2​−CH3​

H3​C−O∣∣C​−CH2​−CHO

CH3​−CH2​−OH

* Carbonyl compound form hydrazone with NH2​NH2​ * Ethanol, 2 -alkanol, in aldehyde only acetaldehyde and all methyl ketone give haloform reaction. * All aldehyde and α-hydroxy carbonyl give Tollen's test. So answer is

$H_{3} C - O ∣∣ C - C H_{2} - C H_{3}$

$H_{3} C - O ∣∣ C - C H_{2} - C H O$

$C H_{3} - C H_{2} - O H$

* Carbonyl compound form hydrazone with $N H_{2} N H_{2}$
* Ethanol, $2$ -alkanol, in aldehyde only acetaldehyde and all methyl ketone give haloform reaction.

* All aldehyde and $α$ -hydroxy carbonyl give Tollen's test. So answer is