NEET UG CHEMISTRY MCQ: CHEMICAL BONDING & MOLECULAR STRUCTURE

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Analyzing +4 | -1

The correct sequence of decreasing number of

\pi

–bonds in the structures of

{H_2}S{O_3},{H_2}S{O_4}\,\,\,and\,\,{H_2}{S_2}{O_7}

View answer and explanation

Correct option: C

\,\,{H_2}{S_2}{O_7} > {H_2}S{O_4} > {H_2}S{O_3}

Option C (

\mathrm{H}_2\mathrm{S}_2\mathrm{O}_7 > \mathrm{H}_2\mathrm{S}\mathrm{O}_4 > \mathrm{H}_2\mathrm{S}\mathrm{O}_3

) is correct because

{H_2}{S_2}{O_7}

has the most pi bonds, followed by

{H_2}S{O_4}

, and then

{H_2}S{O_3}

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