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Answer: 1. Po

Key idea: metallic character increases down the group, so the \(-2\) state becomes unfavourable.

O, S, Se and Te form oxides, sulphides, selenides and tellurides with \(-2\). Polonium is the most metallic member and prefers +2 and +4 states; it does not show \(-2\) in the NCERT treatment. Option 1 (Po).

Doubtly AI · 30 Oct 2026 AI-generated · not yet verified Report
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