Chemistry · 2020
JEE Main · 5 September 2020, Shift 1 · Q43
Consider the following reaction: N_2 O_4( g ) ⇌ 2 NO_2( g ); Δ H^0=+58 kJ For each of the following cases ( a, b ), the direction in which the…
Consider the following reaction :
$$\mathrm{N}_2 \mathrm{O}_4(\mathrm{~g}) \rightleftharpoons $\displaystyle 2$ \mathrm{NO}_2(\mathrm{~g}) ; \Delta \mathrm{H}^$\displaystyle 0$=+$\displaystyle 58$ \mathrm{~kJ}
$$For each of the following cases ( $\displaystyle \mathrm{a}, \mathrm{b}$ ), the direction in which the equilibrium shifts is :
(a)
Temperature is decreased.
(b)
Pressure is increased by adding $\displaystyle \mathrm{N}_2$ at constant T.
Official answer
(3)
(a) towards reactant, (b) no change
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JEE Main 2020 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.