Question

What is the ratio of gases evolved in electrolysis of water?

Answer 1

Answer:

Hi there, the ratio is H:O = 2: 1

Explanation:

♤ Water molecule consists of two hydrogen atoms and one oxygen atom ,so during water electrolysis both gases hydrogen and oxygen evolves with same ratio af water molecule composis

♤ The equations

With few amount of sulphuric acid H2SO4

■ At anode

2H2O => O2 + (4H+ ) + 4e

■ At cathode

(4H+) + 4e => 2H2

☆ The process produced

● One mole oxygen gas

● Two moles hydrogen gas

● H2SO4 as a catalyst

♡ Hope the answer helps you

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Answer 2

Answer:

hey mate here is your answerThe gas which is evolved at cathode: Hydrogen (H2). 2. The gas which is evolved at anode: Oxygen (O2) 3. The ratio of H2 and O2= 2 : 1.Read more on Sarthaks.com - https://www.sarthaks.com/963989/name-the-gas-evolved-cathode-and-anode-when-water-is-electrolysis-state-their-ratio-volume

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