YESPYQ Start Practice
🩺 NEET🧪 Chemistry

The standard electrode potential \(\left({M}^{3+}/{M}^{2+}\right)\) for V , Cr , Mn & Co are -0.26 V ,-0.41 V ,+1.57…

Q1

The standard electrode potential \(\left({M}^{3+}/{M}^{2+}\right)\) for V , Cr , Mn & Co are -0.26 V ,-0.41 V ,+1.57 V and +1.97 V, respectively. The metal ions which can liberate \({\mathrm{H}}_{2}\) from a dilute acid are

[JEE Main 2023, 29 Jan (Shift 1)]

a

\({V}^{2+}andM{n}^{2+}\)

b

\(C{r}^{2+}andC{o}^{2+}\)

c

\({V}^{2+}andC{r}^{2+}\)

d

\(M{n}^{2+}andC{o}^{2+}\)

🔒
Answer & explanation — PYQ Pass

Options are free to see. Unlock the correct answer and full explanation with Pass.

Unlock · ₹149
← Previous questionNext question →

Practice more NEET Chemistry PYQs

See every question on The D and F-Block Elements, or browse the full NEET question bank.

See all questions on The D and F-Block Elements →