1.

Following is the graphical presentation of volumes occupied by different gases at S.T.P. Which is/are not placed at correct position?

Answer»

`H_(2), He`
`He, NH_(3)`
`NH_(3), CH_(4)`
`CH_(4), H_(2)`

Solution :Molar MASS of `H_(2)`, He, `NH_(3)` and `CH_(4)` are 2,4,17, and 16 G `mol^(-1)` RESPECTIVELY.
2 g of `H_(2)` at S.T.P. = 22.4 L
1 g of `H_(2)` at S.T.P. = 11.2 L
4 g of He at S.T.P. = 22.4 L
17 g `NH_(3)` at S.T.P. = 22.4 L
3g of `NH_(3)` at S.T.P. = 3.95 L
16 g of `CH_(4)` at S.T.P. = 22.4 L
4 g of `CH_(4)` at S.T.P. = 5.6 L


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