Chemistry · 2022
JEE Main · 28 July 2022, Shift 1 · Q69
Match List - I with List - II, match the gas evolved during each reaction. Choose the correct answer from the options given below:
Match List - I with List - II, match the gas evolved during each reaction.
Choose the correct answer from the options given below :
| List - I | List - II | ||
| (A) | $\displaystyle \left(\mathrm{NH}_4\right)_2 \mathrm{Cr}_2 \mathrm{O}_7 \xrightarrow{\Delta}$ | (I) | $\displaystyle \mathrm{H}_2$ |
| (B) | $\displaystyle \mathrm{KMnO}_4+\mathrm{HCl} \rightarrow$ | (II) | $\displaystyle \mathrm{N}_2$ |
| (C) | $\displaystyle \mathrm{Al}+\mathrm{NaOH}+\mathrm{H}_2 \mathrm{O} \rightarrow$ | (III) | $\displaystyle \mathrm{O}_2$ |
| (D) | $\displaystyle \mathrm{NaNO}_3 \xrightarrow{\Delta}$ | (IV) | $\displaystyle \mathrm{Cl}_2$ |
Official answer
(3)
(A) - (II), (B) - (IV), (C) - (I), (D) - (III)
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JEE Main 2022 Chemistry question, with the answer from NTA’s final answer key. Where our answers come from.