Question

Question No. 23 If 6 moles of electrons are passed through acidulated water, the moles of gas discharged is x, Then 2 x is



The answer is to given in single integral value.


plss help me out....!!!!!​

Answer 1

Answer:

2x is the number of moles of hydrogen gas discharged

Explanation:

• Water decomposes to hydrogen gas and oxygen gas
• 2H₂O +2e⁻ ---> 2H₂ +O₂
• 2 moles of electrons are required for the breakdown of water into hydrogen and oxygen gas
• 6 moles of electrons are passed through the acidulated water
• 6H₂O +6e⁻ ---> 6H₂ +3O₂
• x is the moles of oxygen gas discharged
• x = 3
• 2x = 6
• 6 moles of hydrogen gas are discharged
• 2x is the number of moles of hydrogen gas discharged

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