Assuming ideal gas behaviour, the ratio of density of ammonia to that of hydrogen chloride at same temperature and pressure is: (Atomic wt. of Cl 35.5 u)
A
1.46
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B
1.64
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C
0.46
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D
0.64
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Solution
The correct option is C 0.46 We know the relation for ideal gas, d=PMRT
Where, M is molar mass of gas
d is density of gas
P is pressure of the gas
R is universal gas constant
T is temperature