1. ⇒ (MHT CET 2023 11th May Evening Shift )

Which from following sentences is NOT correct?

A. $Δ G^{\circ}$ is an extensive property.

B. $E_{cell}^{\circ}$ is an intensive property.

C. Electrical work is equal to ${nFE}_{cell}$ .

D. For a chemical reaction to be spontaneous $E_{cell}^{0}$ must be negative.

Correct Option is (D)

For a chemical reaction to be spontaneous $E_{cell}^{\circ}$ must be positive.

2. ⇒ (MHT CET 2023 10th May Evening Shift )

What happens when solution of an electrolyte is diluted?

A. Both $\land$ and $k$ increases

B. Both $\land$ and $k$ decreases

C. $\land$ increases and $k$ decreases

D. $\land$ decreases and $k$ increases

Correct Option is (C)

The molar conductivity $(\land)$ of an electrolyte increases on dilution while conductivity (k) decreases on dilution.

3. ⇒ (MHT CET 2021 20th September Morning Shift )

Which from following is NOT correct regarding electrolysis?

A. It helps in refining of metals.

B. Conversion of electrical energy into chemical energy takes place.

C. It is useful in electroplating.

D. Metal is deposited at anode.

Correct Option is (D)

The correct answer is :

Option D : Metal is deposited at anode.

This statement is NOT correct regarding electrolysis. In electrolysis, metal is deposited at the cathode, not the anode. The anode is where oxidation occurs, and the cathode is where reduction occurs.

⇒Electrochemistry