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Standard XII

Chemistry

Gay Lussac's Law, Avagadro's Law

The gases chl...

Question

The gases chlorine, nitrogen, ammonia and sulphur dioxide are collected under the same conditions of temperature and pressure. If 20 litres of nitrogen contains 'x' no. of molecules, state the no. of molecules in 20 litres of ammonia.

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Solution

The correct option is A x
According to avagadro's law, equal volume of gases contains equal number of molecules. Therefore, 20 litres of ammonia will contain x number of molecule.

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Similar questions

Q. Chlorine, nitrogen, ammonia and sulphur dioxide gases are collected under the same conditions of temperature and pressure.
Copy the following table which gives the volumes of the gases collected, and the number of molecules (X) in 20 litres of nitrogen. You are to complete the table by giving the number of molecules in the other gases, in terms of X.

Gas	Volume (litres)	Number of molecules
Chlorine Nitrogen Ammonia Sulphur dioxide	10 20 20 5	X

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 will there be:
(a) The greatest number of molecules.
(b) The least number of molecules.
Justify your answer.

Q. The molecular weights of oxygen and sulphur dioxide are

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and

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litre of sulphur dioxide under the same conditions of temperature and pressure will be:

Q. The molecular weights of oxygen and sulphur dioxide are

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and

64

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You have collected (a) 2 litres of $C O_{2}$ (b) 3 litres fo chlorine (c) 5 litres fo hydrogen (d) 4 litres of nitrogen and (e) 1 litre fo $S O_{2}$ under similar conditions of temperature and pressure. Which gas sample will have:
(a) the greatest number of molecules, and
(b) the least number of molecules?
justify your answers.

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The gases chlorine, nitrogen, ammonia and sulphur dioxide are collected under the same conditions of temperature and pressure. If 20 litres of nitrogen contains 'x' no. of molecules, state the no. of molecules in 20 litres of ammonia.

The correct option is A xAccording to avagadro's law, equal volume of gases contains equal number of molecules. Therefore, 20 litres of ammonia will contain x number of molecule.

The correct option is A x
According to avagadro's law, equal volume of gases contains equal number of molecules. Therefore, 20 litres of ammonia will contain x number of molecule.