Chemistry · 2020
JEE Main · 6 September 2020, Shift 1 · Q47
The number of Cl = O bonds in perchloric acid is, " \ \ \ \."
The number of $\displaystyle \mathrm{Cl}=\mathrm{O}$ bonds in perchloric acid is, " \_\_\_\_."
Official answer
3
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.