Electrochemistry Part 2

Section: Chemistry

Question : 89 of 117

Marks: +1, -0

The standard electrode potential (M3+∕M2+) for V, Cr,Mn&‌Co are −0.26V,−0.41V,+1.57V and +1.97V, respectively. The metal ions which can liberate H2 from a dilute acid are

[29-Jan-2023 Shift 1]

V2+ and Mn2+
Cr2+ and CO2+
V2+ and Cr2+
Mn2+ and Co2+
Official Ans. by NTA (3)

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