Which of the following is not the product of dehydration of

1. 

2. 

3. 

4. 

 

H₂COH.CH₂OH on heating with periodic acid gives :-

1. 2CO₂       

2. 2HCOOH       

3. CHO-CHO     

4.         
                                    

Acetophenone when reacted with a base, C₂H₅ONa, yields a stable compound which has the structure

The major organic product in the reaction, CH₃ — O — CH(CH₃)₂ + HI $\to$ Product is :

(1) CH₃OH+(CH₃)₂CHI

(2) ICH₃OCH(CH₃)₂

(3) CH₃O CI(CH₃)₂

(4) CH₃I+(CH₃)₂CHOH

Reaction of phenol with chloroform in the presence of dilute sodium hydroxide finally

introduces, which one of the following functional group?

1. -CH₂Cl                       

2. -COOH

3. -CHCl₂                       

4. -CHO

Identify A, X, Y and Z 

(1) A-methoxymethane, X-ethanoic acid, Y-acetate ion, Z-hydrazine

(2) A- methoxymethane, X-ethanol, Y-ethanoic acid, Z- semicarbazide

(3) A-Acetaldehyde, X-ethanol, Y-but-2-en-1-ol, Z- semicarbazone

(4) A-ethanol, X-acetaldehyde, Y-butanone, Z-hydrazone

Which will form two oximes with NH₂OH?

(1) CH₃COCH₃

(2) CH₃CH₂COCH₃

(3) CH₃CH₂COCH₂CH₃

(4) 

An organic compound A reacts with sodium metal and forms B. On heating with conc. H₂SO₄, A gives diethyl ether. So A and B are:
1. C₃H₇OH and CH₃ONa
2. CH₃OH and CH₃ONa
3. C₄H₉OH and C₄H₉ONa
4. C₂H₅OH and C₂H₅ONa

Phenyl ethyl ether with concentrated hydrobromic acid on boiling yields:-

1. Phenol and ethyl bromide

2. Bromobenzene and ethanol

3. Phenol and ethane

4. Bromobenzene and ethane

A compound with molecular formula C₄H₁₀O₃ is converted by the action of acetyl chloride to a compound with molar mass 190. The original compound has: 

(1) one OH group

(2) two OH groups

(3) three OH groups

(4) no OH group