Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 68

MEDIUM

JEE Main/Advance

IMPORTANT

Earn 100

Identify the titration curve for equimolar mixture of $HCl$ and $HCN$ titrated with $NaOH$ .

If your answer is first curve, write the answer as Curve-1.

50% studentsanswered this correctly

Important Questions on Electrochemistry

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 69

In a galvanic cell,

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 70

Which of the following is/are function(

s

) of salt-bridge?

MEDIUM

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 71

Salt bridge contains :-

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 72

The

emf

of the cell,

Ni |{Ni}^{2 +} (1.0 M) ‖ {Ag}^{+} (1.0 M)| Ag

[

E °

for

{Ni}^{2 +} / Ni = - 0.25

volt,

E °

for

{Ag}^{+} / Ag = 0.80

volt] is given by

HARD

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 73

$E°$ for $F_{2} + 2 e = 2 F^{-}$ is $2 \cdot 8 V,$ $E°$ for $\frac{1}{2} F_{2} + e = F^{-}$ is:

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 74

Consider the cell potentials

E_{{Mg}^{2 +} ∣ Mg}^{\circ} = - 2.37 V

and

E_{{Fe}^{3 +} ∣ Fe}^{\circ} = - 0.04 V

. The best reducing agent would be

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 75

If a spoon of copper metal is placed in a solution of ferrous sulphate.

EASY

JEE Main/Advance

IMPORTANT

Alpha Question Bank for Engineering: Chemistry>Chapter 9 - Electrochemistry>Exercise-1>Q 76

The position of some metals in the electrochemical series in decreasing electropositive character is given as

Mg > Al > Zn > Cu > Ag

. What will happen if a copper spoon is used to stir a solution of aluminium nitrate?