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2gm of hydrogen is present in a closed v...

2gm of hydrogen is present in a closed vessel at S.T.P. If the same quantity of another gas 'X' when introduced into the vessel the pressure becomes 1.5 atm. The gas 'X' would be

A

`CH_(4)`

B

`SO_(2)`

C

He

D

`O_(2)`

Text Solution

Verified by Experts

The correct Answer is:
C
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