Question

Cost of electricity for x litre h2 at ntp at cathode is rupees x then cost of the electricity for the production of the excretory o2 gas at ntp at anode will be

Answer 1

The cost of production of electricity from X    litres of O 2 = Rs 2 X.

Explanation:

Electrolysis of water gives:

H2O → H  2   +  1/2 O2

• On electrolysis of water, hydrogen and oxygen formed in the ratio 2:1.
• Since X litres of H2 is formed.
• Amount of O2 formed will be X/ 2
• Since cost of production of electricity from X / 2    litres of O 2= Rs X

Hence the cost of production of electricity from X    litres of O 2 = Rs 2 X.

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When 0.1 mole of ammonia is dissolved in sufficient water to make 1 litre of solution. the solution is found to have a hydroxide ion concentration of 1.34 × 103. the dissociation constant of ammonia is?

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