Which of the following acid is most easily decarboxylate :-

1.

2.

3.

4.

Identify the product (c) in the series

CH₃CN$\stackrel{\mathrm{Na}/{\mathrm{C}}_2{\mathrm{H}}_5\mathrm{OH}}{\to }$A$\stackrel{\mathrm{HNO}2}{\to }$B$\stackrel{{\mathrm{KMnO}}_4,{\mathrm{H}}^{+}}{\to }$C

1. CH₃COOH

2. CH₃CH₂NHOH

3. CH₃CONH₂

4. CH₃CHO

In the reaction

What is the oxidizing agent in the reaction described above?

1. Alkaline KMnO₄

2. Acidified K₂Cr₂O₇

3. Benedict's solution

4. All of the above

The slowest step of Cannizarro's reaction is

1. Attack of nucleophilic

2. Hydride shift

3. Formation of anion

4. Transfer of proton

Which acid deravative is most reactive towards nucleophilic substitution reaction?

1. CH₃COCl

2. (CH₃CO)₂O

3. CH₃COOC₂H₅

4. CH₃CONH₂

Which of the following gives a yellow precipitate with ${\mathrm{I}}_2/\mathrm{NaOH}$:

1. ${\mathrm{CH}}_3-\stackrel{\mathrm{O}}{\stackrel{\left|\right|}{\mathrm{C}}}-\mathrm{OH}$

2. ${\mathrm{CH}}_3-{\mathrm{CH}}_2\mathrm{OH}$

3. ${\mathrm{CH}}_3-{\mathrm{CH}}_2-\stackrel{\mathrm{O}}{\stackrel{\left|\right|}{\mathrm{C}}}-\mathrm{H}$

4. All of the above

For the following reactions sequence 

The structure consistent with X and Y are:

	'Y'	'X'
(1)
(2)
(3)
(4)

Which of the following is correctly matched

(a)   + H₂$\stackrel{\mathrm{Pd}-{\mathrm{BaSO}}_4}{\to }$ Rosenmund Reduction

(b) $\to$Curtius Reaction

(c) $\stackrel{\mathrm{KOH}}{\to }$ Hoffmann's bromamide reaction

(d) $\underset{{\mathrm{CH}}_3-\mathrm{Cl}}{\overset{\mathrm{KOH}}{\to }}$ Gabriel pthalimide reaction
 

(a)
(b)
(c)
(d)

1. a, d

2. a, b, d

3. b, c, d

4. All of the above

$\stackrel{{\mathrm{FeCl}}_3}{\to }$ Product(Major):-

(1)

(2)

(3)

(4)