Chemistry · 2021
JEE Main · 27 July 2021, Shift 1 · Q38
The oxidation states of ' P ' in H_4 P_2 O_7, H_4 P_2 O_5 and H_4 P_2 O_6, respectively, are:
The oxidation states of ' P ' in $\displaystyle \mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_7, \mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_5$ and $\displaystyle \mathrm{H}_4 \mathrm{P}_2 \mathrm{O}_6$, respectively, are :
Official answer
(3)
$\displaystyle 5$, $\displaystyle 3$ and $\displaystyle 4$
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JEE Main 2021 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.