An organic compound with the molecular formula C₉H₁₀O forms a 2,4-DNP derivative, reduces Tollens’ reagent, and undergoes the Cannizzaro reaction. On vigorous oxidation, it gives 1,2-benzenedicarboxylic acid. This organic compound will be:

1. 2-Methyl benzaldehyde

2. 2-Hydroxy benzaldehyde

3. 2-Ethyl benzaldehyde

4. 4-Ethyl benzaldehyde

The IUPAC name for \(\mathrm{CH}_3 \mathrm{COCH}_2 \mathrm{COCH}_3\) is:
1. Pentane-2,4-dione
2. Pentane-1,4-dione
3. Pentane-2,2-dione
4. Pentane-3,4-dione

The IUPAC name for PhCOPh is:
1. Diphenylmethanone
2. Benzophenone
3. Dibenzylmethanone
4. Dibenzylketone

The major product formed when cyclohexanecarbaldehyde reacts with PhMgBr and H₃O⁺ is:

1.		2.
3.		4.	None of these

What is the major product of the reaction between cyclohexanecarbaldehyde and Tollens' reagent?

1.		2.
3.		4.	None of these

The compounds that undergoes the Cannizzaro reaction are: 

(i) Methanal

(ii) 2-Methylpentanal

(iii) Benzaldehyde

(iv) Benzophenone

1. (i)

2. (ii)

3. (i), (iii) 

4. (i), (ii), (iii) 

There is only one –NH₂ group involved in semicarbazone formation out of two –NH₂ group. It is due to:

1. Resonance  of one type of –NH₂ group

2. Inductive effect of one type of –NH₂ group

3. Hyperconjugation of one type of –NH₂ group

4. Reverse hyperconjugation of one type of -NH₂ group

Chemical test(s) to distinguish between the Propanal and Propanone is :

1. Tollen’s test

2. Fehling’s test

3. Iodoform test

4. All of the above

Chemical test(s) used to distinguish between Acetophenone and Benzophenone is :

1. Tollen’s test

2. Fehling’s test

3. Iodoform test

4. All of the above

A chemical test to distinguish between Phenol and Benzoic acid is :

1. Tollen’s test

2. Fehling’s test

3. Iodoform test

4. Ferric chloride test