Chemistry · 2026
JEE Main · 21 January 2026, Shift 2 · Q61
By usual analysis, 1.00 g of compound ( X ) gave 1.79 g of magnesium pyrophosphate. The percentage of phosphorus in compound (X) is: (nearest…
By usual analysis, $\displaystyle 1.00$ g of compound $\displaystyle (\mathrm{X})$ gave $\displaystyle 1.79$ g of magnesium pyrophosphate. The percentage of phosphorus in compound (X) is : (nearest integer)
(Given, molar mass in $\displaystyle \mathrm{gmol}^{-1}: \mathrm{O}=16, \mathrm{Mg}=24, \mathrm{P}=31$ )
Official answer
From NTA’s final answer key for this paper.
(3)
$\displaystyle 50$
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JEE Main 2026 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.