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At S.T.P. the volume of 7.5 g of a gas i...

At S.T.P. the volume of 7.5 g of a gas is 5.6 L. The gas is

A

NO

B

`N_(2)O`

C

CO

D

`CO_(2)`

Text Solution

Verified by Experts

The correct Answer is:
A
5.6 L at S.T.P weighs = 7.5 g
`therefore 22.4` L at S.T.P weighs `=(7.5 xx 22.4)/5.6 = 30`
`therefore` Molar mass = 30 gmol, which is the molar mass of NO.
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Knowledge Check

  • At N.T.P. the volume of a gas is found to be 273 ml. What will be the volume of this gas at 600 mm Hg and 273^(@)C

    A
    391.8 ml
    B
    380 ml
    C
    691.6 ml
    D
    750 ml

  • At N.T.P. the volume of a gas is found to be 273 ml. What will be the volume of this gas at 600 mm Hg and 273^(@)C ?

    A
    391.8 ml
    B
    380 ml
    C
    691.6 ml
    D
    750 ml

  • 10 litres of O_(2) gas is reacted with 30 litres of CO at S.T.P. The volumes of each gas present at the end of the reaction are

    A
    `CO=10` litres, `CO_(2)=20` litres
    B
    `O_(2)=10` litres, `CO=30` litres
    C
    `CO=20` litres, `CO_(2) = 10` lites
    D
    `O_(2) = 10` litres, `CO_(2)=20` litres

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