🛠️ JEE🧪 Chemistry

Given below are two statements : \(1\) M aqueous solution of each of \(\mathrm{Cu}{\left({\mathrm{NO}}_{3}\right)}_{2}\)…

Q1

Given below are two statements :
\(1\) M aqueous solution of each of \(\mathrm{Cu}{\left({\mathrm{NO}}_{3}\right)}_{2}\), \({\mathrm{AgNO}}_{3},{\mathrm{Hg}}_{2}{\left({\mathrm{NO}}_{3}\right)}_{2},\mathrm{Mg}{\left({\mathrm{NO}}_{3}\right)}_{2}\) are electrolysed using inert electrodes
Given : \({\mathrm{E}}_{{\mathrm{Ag}}^{+}/\mathrm{Ag}}^{\theta }=0.80\mathrm{V},{\mathrm{E}}_{{\mathrm{Hg}}_{2}^{2+}/\mathrm{Hg}}^{\theta }=0.79\mathrm{V}\), \({\mathrm{E}}_{{\mathrm{Cu}}^{2+}/\mathrm{Cu}}^{\theta }=0.24\mathrm{V}\text{ and }{\mathrm{E}}_{{\mathrm{Mg}}^{2+}/\mathrm{Mg}}^{\theta }=-2.37\mathrm{V}\)
Statement (I) : With increasing voltage, the sequence of deposition of metals on the cathode will be Ag, Hg and Cu
Statement (II) : Magnesium will not be deposited at cathode instead oxygen gas will be evolved at the cathode.
In the light of the above statement, choose the most appropriate answer from the options given below

a

Both statement I and statement II are incorrect

b

Statement I is correct but statement II is incorrect

c

Both statement I and statement II are correct

d

Statement I is incorrect but statement II is correct

🔒
Answer & explanation — PYQ Pass

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

Unlock · ₹149

Practice more JEE Chemistry PYQs

See every question on Electrochemistry, or browse the full JEE question bank.

See all questions on Electrochemistry →