Chemistry · 2023
JEE Main · 11 April 2023, Shift 2 · Q81
The volume of hydrogen liberated at STP by treating 2.4 g of magnesium with excess of hydrochloric acid is ____ × 10^-2 L Given: Molar volume of gas…
The volume of hydrogen liberated at STP by treating $\displaystyle 2.4$ g of magnesium with excess of hydrochloric acid is
$\displaystyle \_\_\_\_$ $\displaystyle \times 10^{-2} \mathrm{~L}$Given : Molar volume of gas is $\displaystyle 22.4 \mathrm{~L}$ at STP.
Molar mass of magnesium is $\displaystyle 24 \mathrm{~g} \mathrm{~mol}^{-1}$
Official answer
From NTA’s final answer key for this paper.
224
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JEE Main 2023 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.