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JEE MAIN 2022
28-07-2022 S1
Question
Match List–I with List–II, match the gas evolved during each reaction.

Choose the correct answer from the options given below :
Select the correct option:
A
(A) – (II), (B) – (III), (C) – (I), (D) – (IV)
B
(A) – (III), (B) – (I), (C) – (IV), (D) – (II)
C
(A) – (II), (B) – (IV), (C) – (I), (D) – (III)
D
(A) – (III), (B) – (IV), (C) – (I), (D) – (II)
✓ Correct! Well done.
✗ Incorrect. Try again or view the solution.
Solution
(NH₄)₂Cr₂O₇ Δ → N₂ + Cr₂O₃ + 4H₂O KMnO₄ + HCl → MnCl₂ + KCl + Cl₂ + H₂O Al + NaOH + H₂O → H₂ + Na[Al(OH)₄] NaNO₃ Δ → NaNO₂ + O₂
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