Which of the following products will contain the oxygen-18 (¹⁸O) isotope in the given reaction?


1. H₂O

2. Methyl benzoate

3. Both 1 and 2

4. Benzoic acid

Product (A) in the below mentioned reaction is:
 

1.

2.

3.

4.

Which of the following compounds is most prone to oxidation?
 

1.	\(\mathrm{CH}_3-\mathrm{CHOH}-\mathrm{CH}_3\)	2.
3.	\(\mathrm{CH}_3-\mathrm{CH}_2-\mathrm{O}-\mathrm{CH}_2-\mathrm{CH}_3\)	4.

Identify the product (P) in the given reaction:

1.		2.
3.		4.

The structure of A in the below mentioned reaction is:

 

1.		2.
3.		4.

The reducing agent among the following is:

1. CrO₃/H⁺

2. KMnO₄

3. LiAlH₄

4. O₃

Which of the following reagents causes rapid loss of optical activity in optically active 2-octanol?