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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

Pressure due to `H_2 = 1 atm`
Pressure due to X = 1.5 - 1 = 0.5 atm `implies 1/2 ` mole
`1/2 ` mole weights 2 gm `implies ` 1 mole weights 4 gm
`implies He`.
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AAKASH SERIES-STATES OF MATTER-LECTURE SHEET - EXERCISE - II (LEVEL - I MAIN)(STRAIGHT OBJECTIVE TYPES QUESTIONS)
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