Option IV is the correct response.
The most commonly used reducing agent is (i) AlCl3 (ii) PbCl2 (iii) SnCl4 (iv) SnCl2
The most commonly used reducing agent is (i) AlCl3 (ii) PbCl2 (iii) SnCl4 (iv) SnCl2
Option IV is the correct response.