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

Byju's Answer

Standard XII

Chemistry

Avogadro's Law & Gay Lussac's Law

Assertion A: ...

Question

Assertion (A): At constant temperature and pressure, 2 litres of helium and 2 litres of argon contain the same number of atoms.

Reason (R): The value of Avogadro’s number is $6.022 \times 10^{23}$ .

Both A and R are true, and R is the correct explanation of A

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

Both A and R are false

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

A is true but R is false

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

Both A and R are true, but R is not the correct explanation of A

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

Open in App

Solution

The correct option is D Both A and R are true, but R is not the correct explanation of A
 The correct answer is option (b).

Suggest Corrections

Similar questions

Q. A stopcock that connects 2 bulbs of volumes 5 litres and 10 litres each containing the same ideal gas at 9 atm and 6 atm respectively is opened. What is the final pressure in the two bulbs if the temperature is maintained at a constant value?

___

Q. If

1

L of

O_{2}

15^{o} C

and

750

mm pressure contains

N

molecules, the number of molecules in

2

litres of

S O_{2}

under the same conditions of temperature and pressure will be :

10 litres of oxygen and 10 litres of ${CO}_{2}$ at the same temperature and pressure have _________ masses.

Under the same conditions of temperature and pressure, you collect 2 litres of carbon dioxide, 3 litres of chlorine, 5 litres of hydrogen, 4 litres of nitrogen and 1 litre of sulphur dioxide. In which gas sample there will be
(a) the greatest number of molecules.
(b) the least number of molecules.

Q. The molecular mass of

O_{2}

and

S O_{2}

are

32

and

64

respectively. If one litre of

O_{2}

15^{\circ} C

and

750 m m

pressure contains

N

molecules, the number of molecules in two litre of

S O_{2}

under the same conditions of temperature and pressure will be:

Join BYJU'S Learning Program

Assertion (A): At constant temperature and pressure, 2 litres of helium and 2 litres of argon contain the same number of atoms. Reason (R): The value of Avogadro’s number is 6.022×1023.

The correct option is D Both A and R are true, but R is not the correct explanation of A​ The correct answer is option (b).

Assertion (A): At constant temperature and pressure, 2 litres of helium and 2 litres of argon contain the same number of atoms.

Reason (R): The value of Avogadro’s number is $6.022 \times 10^{23}$ .

The correct option is D Both A and R are true, but R is not the correct explanation of A
 The correct answer is option (b).