An organic compound (A) (molecular formula (C₈H₁₆O₂) gives a carboxylic acid (B) upon hydrolysis by dilute sulphuric acid and an alcohol (C). Oxidation of(C) with chromic acid produces(B). (C) on dehydration gives but-1-ene. Compound B is:

1. Butanoic acid

2. Propanoic acid

3. Butanol

4. Propanoic acid

Phthalic acid on heating with SOCl₂  gives

1. Phthalic anhydride

2. Phthalamide

3. Phthaloyl chloride

4. None of the above

An organic compound (A) contains 69.77% carbon, 11.63% hydrogen, and rest oxygen. The molecular mass of the compound is 86. It does not reduce Tollens’ reagent but forms an addition compound with sodium hydrogen sulphite and gives a positive iodoform test. On vigorous oxidation, it gives ethanoic and propanoic acid. Compound A would be:

1. Pentan-2-one

2. Butanone

3. 3-Methylbutanone

4. Propan-2-ol

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 below structure is an example of 

1. Cyanohydrin

2. Hemiacetal

3. Acetal

4. Cyanoalcohol

The IUPAC name for CH₃COCH₂COCH₃ is:

1.  Pentane-2,4-dione

2.  Pentane-1,4-dione

3.  Pentane-2,2-dione

4.  Pentane-3,4-dione

The structure of Hex-2-en-4-ynoic acid is

1.		2.
3.		4.	None of these

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