Statement I: Cr+2, H+→Cr+3H2is feasibleStatement II: Cr+3/Cr+2 has high negative E0 value
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a
Statement I and Statement II both are correct
b
Statement I is correct Statement II is incorrect
c
Statement I is incorrect Statement II is correct
d
Statement I is incorrect Statement II is incorrect
answer is A.
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Detailed Solution
Cr+3/Cr2+ has high negative E0 value so it act as strong reducingagents and will liberate hydrogen from a dilute acid, 2 Cr2+(aq) + 2 H+(aq) → 2 Cr3+(aq) + H2(g)