Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 2

MEDIUM

NEET

IMPORTANT

Earn 100

After operating the electrolytic cell for sometime, if anode is removed then, what will happen?

50% studentsanswered this correctly

Important Questions on Electrochemistry

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 3

In a mercury cell, product at anode is

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 4

How many Faraday's of charge are required to reduce

1 mol

of

{Cr}_{2} O_{7}^{2 -}

to

{Cr}^{+ 3} ?

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 5

A solution of concentration

{CuSO}_{4}

is electrolysed for

965 s

with a current of

20 A

and

50 %

efficiency. The amount of

Cu

deposited at cathode will be

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 6

The decreasing order of standard electrode potential is

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 7

Two different electrolytic cells are connected in series, containing

aq . {AgNO}_{3}

and

aq . {CuSO}_{4}

respectively. The mole ratio of copper to silver deposited at cathodes in the two cells will be

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 8

When aqueous solution of

KBr

is electrolysed using

Pt

electrodes, the resultant solution will have

EASY

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 9

Function of salt bridge is/are

a. It completes the cell circuit

b. It allows the movement of ions from one solution to other without mixing of the two solutions

c. It maintains the electrical neutrality of the solution in two half cells

MEDIUM

NEET

IMPORTANT

Gamma Question Bank for Medical Chemistry>Chapter 17 - Electrochemistry>Assignment>Q 10

The conductance of

0.01 {NCH}_{3} COOH

solution is

4.5 \times 10^{- 4} {ohm}^{- 1}

which is present in a tube having length

6 cm

and cross sectional area

36 {cm}^{2}

. The molar conductivity of the solution is