EΘcell for some half cell reactions are given below. On the basis of

1.	EΘcell for some half cell reactions are given below. On the basis of these mark the correct answer.(a) H+ (aq) + e- →1/2H2(g) ; EΘCell = 0.00V(i) In dilute sulphuric acid solution, hydrogen will be reduced at cathode.(ii) In concentrated sulphuric acid solution, water will be oxidised at anode.(iii) In dilute sulphuric acid solution, water will be oxidised at anode.(iv) In dilute sulphuric acid solution, SO42– ion will be oxidised to tetrathionate ion at anode.
Answer» (i) In dilute sulphuric acid solution, hydrogen will be reduced at cathode. (iii) In dilute sulphuric acid solution, water will be oxidised at anode.

EΘcell for some half cell reactions are given below. On the basis of these mark the correct answer.(a) H+ (aq) + e- →1/2H2(g) ; EΘCell = 0.00V(i) In dilute sulphuric acid solution, hydrogen will be reduced at cathode.(ii) In concentrated sulphuric acid solution, water will be oxidised at anode.(iii) In dilute sulphuric acid solution, water will be oxidised at anode.(iv) In dilute sulphuric acid solution, SO42– ion will be oxidised to tetrathionate ion at anode.

Answer»

(i) In dilute sulphuric acid solution, hydrogen will be reduced at cathode.

(iii) In dilute sulphuric acid solution, water will be oxidised at anode.

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Define molar conductivity of a solution and explain how molar conductivity changes with change in concentration of a solution for a weak and a strong electrolyte.
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What are elementary reactions ?

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