JEE CHEMISTRY MCQ: P-BLOCK ELEMENTS

1 Easy

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Which one among the following non-metals is liquid at

{25^ \circ }C

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Correct option: A

Bromine

Option A (Bromine) is correct because bromine is the only non-metal that exists as a liquid at room temperature (25°C).

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17^{\text {th }}

{O}_2

{O}_2

\mathrm{C}{\mathrm{N}^ - }

{\mathrm{N}_2}

\mathrm{C}{\mathrm{N}^ - },\mathrm{\;}{\mathrm{N}_2}

2 {Fe}^{3+}+{SO}_2+2 {H}_2 {O} \rightarrow 2 {Fe}^{2+}+{SO}_4^{2-}+4 {H}^{+}

{H}_2 {~S}_2 {O}_8

{S}={O}

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{NH}_3

{H}_2 {SO}_4

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