JEE Main 2026 Chemistry question
The electronegativity of a group 13 element 'E' is same as that of Ge (on Pauling scale and upto one decimal point). The CORRECT statements about E³⁺ are A. It can act as a reducing agent. B. It can act as an oxidizing agent. C. E³⁺ is more stable than E⁺. D. The standard electrode potential value for E³⁺/E is positive. Choose the correct answer from the options given below:
Answer: (C)
Solution
E is thallium (electronegativity close to Ge's, ~1.8). Due to the strong inert-pair effect, Tl⁺ is more
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