What is formed when a primary alcohol undergoes catalytic dehydrogenation?

1. Aldehyde 

2. Ketone 

3. Alkene

4. Acid 

HCHO and HCOOH are distinguished by treating with:

1. Tollens reagent

2. NaHCO₃

3. Fehling's Solution

4. Benedict Solution

The correct acidity order of the following is:

1. (III)>(IV)>(II)>(I)                       

2. (IV)>(III)>(I)>(II)

3. (III)>(II)>(I)>(IV)                       

4. (II)>(III)>(IV)>(I)  

Acetone reacts with iodine (I₂) to form iodoform in the presence of      

1. CaCO₃   

2. NaOH     

3. KOH     

4. MgCO₃

Generally Aldehydes behave as:

1. Oxidising agent

2. Reducing agent

3. Dehydration agent

4. Oxidizing as well as reducing agent

A and B in the following reactions are  

1. A=RR'CH₂CN,              B=NaOH

2. A=RR'C${<}_{\mathrm{COOH}}^{\mathrm{OH}}$ ,          B=CH₃

3. A=RR'C${<}_{\mathrm{COOH}}^{\mathrm{CN}}$ ,          B=CH₃

4. A=RR"C${<}_{\mathrm{OH}}^{\mathrm{CN}}$,              B=LiAlH₄

RCOOH $\to$RCH₂OH. This mode of reduction of an acid to alcohol can be affected only by:

1. Zn/HCl

2. Na-alcohol

3. aluminium isopropoxide and isopropyl alcohol

4. LiAlH₄

Ethyl ester $\underset{\mathrm{Excess}}{\overset{{\mathrm{CH}}_3\mathrm{MgBr}}{\to }}$ P. the product P will be: 

1. 

2. 

3.

4. 

Which one of the following can be oxidised to the corresponding carbonyl compound?   [2004]

1. 2-hydroxy propane

2. Ortho-nitro phenol

3. propane

4. 2-methyl-2-hydroxy propane

Dry distillation of barium salt of Hexane-1,6-dicarboxylic acid gives:

1. 

2. 

3. 

4.