Q.

Which of the following is/are correct statement(s)?

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a

Ga+ salts are better reducing agents.

b

As3+ salts are better oxidizing agents

c

Tl3+ salts are better oxidizing agents.

d

Pb4+ salts are better oxidizing agents

answer is A, B, C.

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Detailed Solution

Tl3+ acts as an oxidizing agent because it has tendency to reduce to Tl1+ as +1 oxidation state of Tl is more stable on account of inert pair effect.

Ga is lighter than Tl and it is stable in +3 oxidation state. So, Ga+ easily looses two electrons, therefore acts as a good reducing agent.

Pb4+ is readily reduced to Pb2+, hence good oxidizing agent.

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