Alcohol, Phenol, Ether, Aldehyde and Ketone - Live Session

Identify X in the following sequence of reactions :
$X \to_{(i i) H^{+} / H_{2} O}^{(i) C H_{3} M g X} C_{5} H_{12} O \to_{573 K}^{C u} C_{5} H_{10}$
(1) $C H_{3} C O C H_{2} C H_{3}$
(2) $C H_{3} C H_{2} C H_{2} C H O$
(3)(CH₃)₂CHCHO
(4) $C H_{3} C H_{2} C H_{2} C H_{2} O H$

Which is more acidic?
1. o-cresol
2. p-nitrophenol
3. Phenol
4. m-cresol

Identify (X) in the sequence :
$C_{3} H_{8} O \to_{H_{2} S O_{4}}^{K_{2} C r_{2} O_{7}} C_{3} H_{6} O \to_{w a r m}^{I_{2} + N a O H} C H I_{3}$
$(X)$
(1) $C H_{3} - C H_{2} - C H_{2} O H$
(2) $C H_{3} - C H - C H_{3}$
$l$
$O H$
(3) $C H_{3} - O - C H_{2} - C H_{3}$
(4) $C H_{3} - C H_{2} - C H O$

$\to_{∆}^{H^{+}} A (m a j o r)$
The product is 'A' is
(1)

(2)

(3)

(4)

$R - C H_{2} - C H_{2} - O H$ can be converted into $R - C H_{2} - C H_{2} - C O O H$ . The correct sequence of
reagents is
(1) $P B r_{3}, K C N, H_{3} O^{+}$
(2) $P B r_{3}, K C N, H_{2}$
(3) $K C N, H_{3} O^{+}$
(4) $H C N, P B r_{3}, H_{3} O^{+}$

The compound ‘A’ is

1.
2.
3.
4.

The structure of Q is?
(1)

(2)

(3)

(4)

(A) and (B) are respectively :
(1)

(2)

(3)

(4)

An organic compound (A) ( $M F C_{4} H_{10} O$ ) upon dehydrogenation gives a compound (B) which forms phenyl hydrazone with phenylhydrazine and both the compounds (A) and (B) respond to iodoform test. Hence, the compound (A) is
(1)

(2)

(3)

(4)

10.

Identify ‘Y’ in

(1)

(2)

(3)

(4)

11.

In a Cannizzaro’s reaction, the intermediate that will be the best hydride donor is
(1)

(2)

(3)

(4)

12.

The appropriate reagent for the transformation is

(1) Zn (Hg)/ HCl
(2) $N H_{2} - N H_{2} / O H^{-}$
(3) Both (1) and (2)
(4) None of the above

13.

In the reaction
$C H_{3} - C H = C H - C H O \to_{a g e n t}^{o x i d i z i n g}$
$C H_{3} - C H = C H - C O O H,$
the oxidizing agent can be:
1. Alkaline $K M n O_{4}$
2. Acidified $K_{2} C r_{2} O_{7}$
3. Benedict's solution
4. All of the above

14.

When glycerol is reacted with oxalic acid at $260^{°}$ C, then the final product formed is
1. Formic acid
2. Allyl alcohol
3. Acrolein
4. Acetic Acid

15.

The major product formed would be
(1)

(2)

(3)

(4)

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