Question

At NTP, the ratio of molecules in 1cc of oxygen to that in 1cc of hydrogen is : 

(a) 1 : 1 

(b) 1 : 4 

(c) 1 : 16 

(d) 1 : 2 

Answer 1

Correct option (a) 1 : 1

Explanation:

From the formula, the number of molecules in V litres of gas at NTP is = NV/22.4

It represents that at NTP, all the gases have same number of molecules in same volume. Hence, ratio of molecules in both cases is 1 : 1.