3. Give reasons.
A. Ga3e salts are better reducing agent
while T13º salts are better oxidising
agent.
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due to inert pair effect TL+ 1 are more stable than TL +3 hence TL +3 slat are
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(1) Both Ga and TI are in group 13. Ga in 4th period and Tl in 6th period.
(2) Both form trivalent ions, Ga^3+ and Tl^3+
(3) Due to poor shielding effect of inner electrons. Tl has a stable 1 + oxidation state. Hence, Tl in 3+ oxidation state has a tendency to undergo reduction to 1+ to 1+ stable oxidation state. Thus, Tl^3+ salts are better oxidising agents.
(4) Ga has 3 + stable oxidation state. Hence, Ga^1+ ions have a tendency to undergo oxidation to stable 3 + oxidation state. Thus, they are better reducing agents.
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