The electrolytic decomposition of water gives H 2 and O 2 in the ratio ofA- 2- 1 by volumeB- 1- 2 by massC- 1- 2 by volumeD- 8- 1 by mass

The correct option is A 2:1 by volume The decomposition of water occus as follows: 2H_2O(l)→ 2H_2(g) + O_2(g) Water decomposes to give hydrogen and oxygen in ...

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Byju's Answer

Standard X

Chemistry

Electrolysis

The electroly...

Question

The electrolytic decomposition of water gives $H_{2}$ and $O_{2}$ in the ratio of

1:2 by volume

No worries! We‘ve got your back. Try BYJU‘S free classes today!

2:1 by volume

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

8:1 by mass

No worries! We‘ve got your back. Try BYJU‘S free classes today!

1:2 by mass

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B
2:1 by volume

The decomposition of water occus as follows:

$2 H_{2} O (l) \to 2 H_{2} (g) + O_{2} (g)$

Water decomposes to give hydrogen and oxygen in the ratio 2:1 by volume. The double volume of the gas collected is hydrogen.

Suggest Corrections

Similar questions

Q. The electrolytic decomposition of water gives

H_{2}

and

O_{2}

in the ratio of

Q. The electrolytic decomposition of water gives H2 and O2 in the ratio of
(A)1 : 2 by volume
(B)2 : 1 by volume
(C) 8 : 1 by mass
(D)1 : 2 by mass

Q. Statement 1: The complete electrolysis of

45

grams of water will yield

40

grams of

H_{2}

and

5

grams of

O_{2}

.
Statement 2: Water is composed of hydrogen and oxygen in a ration of

8 : 1

by mass.

Q. Assertion :STATEMENT 1:

S O_{2}

obtained either by the oxidation of

H_{2} S

or decomposition of sulphate salt contains sulphur and oxygen in the mass ratio

1 : 2.

Reason: STATEMENT 2:

S_{(s)} + O_{2 (g)} \to S O_{2 (g) .}

Q. Assertion :Equivalent mass of ozone in the change

O_{3} \to O_{2}

is 8. Reason: 1 mole of

O_{3}

on decomposition gives

\frac{3}{2}

moles of

O_{2}

Join BYJU'S Learning Program

The electrolytic decomposition of water gives H2 and O2 in the ratio of

The correct option is B 2:1 by volume The decomposition of water occus as follows: 2H2O(l)→2H2(g)+O2(g) Water decomposes to give hydrogen and oxygen in the ratio 2:1 by volume. The double volume of the gas collected is hydrogen.

The electrolytic decomposition of water gives $H_{2}$ and $O_{2}$ in the ratio of

The correct option is B
2:1 by volume

The decomposition of water occus as follows:

$2 H_{2} O (l) \to 2 H_{2} (g) + O_{2} (g)$

Water decomposes to give hydrogen and oxygen in the ratio 2:1 by volume. The double volume of the gas collected is hydrogen.