for some half cell reactions are given below. On the basis of these mark the correct answer.

(a)

(b)

(c)

A. In dilute sulphuric acid solution, hydrogen will be reduced at the cathode.

B. In concentrated sulphuric acid solution, water will be oxidised at anode.

C. In dilute sulphuric acid solution, SO₄^2– ion will be oxidised to tetrathionate ion at anode.

D. In dilute sulphuric acid solution, water will be oxidised at anode.

Consider Fig. 3.2 and answer the questions (i) to (vi) given below.

(i) Redraw the diagram to show the direction of electron flow.

(ii) Is silver plate the anode or cathode?

(iii) What will happen if salt bridge is removed?

(iv) When will the cell stop functioning?

(v) How will concentration of Zn²⁺ ions and Ag⁺ ions be affected when the cell functions?

(vi) How will the concentration of Zn²⁺ ions and Ag⁺ ions be affected after the cell becomes ‘dead’?

Consider Fig. 3.2 and answer the questions (i) to (vi) given below.

(i) Redraw the diagram to show the direction of electron flow.

(ii) Is silver plate the anode or cathode?

(iii) What will happen if salt bridge is removed?

(iv) When will the cell stop functioning?

(v) How will concentration of Zn²⁺ ions and Ag⁺ ions be affected when the cell functions?

(vi) How will the concentration of Zn²⁺ ions and Ag⁺ ions be affected after the cell becomes ‘dead’?

Match the items of Column I and Column II.