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JEE CHEMISTRY MCQ: SOME BASIC CONCEPTS OF CHEMISTRY

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The no. of Pi bonds in increasing order is present in
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Correct option: A
CrO4−2<MnO4−<Cr2O7−2Cr{O_4}^{ - 2} < Mn{O_4}^ - < C{r_2}{O_7}^{ - 2}
Option A (CrO4−2<MnO4−<Cr2O7−2Cr{O_4}^{ - 2} < Mn{O_4}^ - < C{r_2}{O_7}^{ - 2}) is correct because the number of pi bonds increases in the order: CrO4−2CrO_4^{-2} (2 π bonds), MnO4−MnO_4^- (3 π bonds), Cr2O7−2Cr_2O_7^{-2} (6 π bonds).

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