JEE Mains 29-Jan-2023 Shift 1 Solved Paper

Section: Chemistry

Question : 40 of 90

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)

Validate

Go to Question:

Prev Question

Next Question