A horizontal uniform glass tube of 100cm...

A horizontal uniform glass tube of `100cm` length is sealed at both ends contains `10 cm` mercury column in the middle , the temperature and pressure of air on either side of mercury column are repectively `31^(@)C` and `76cm` of mercury, if the air column at one end is kept at` 0^(@)C` and the other end at `273^(@)C` then pressure if air which is `0^(@)C` is
(in `cm` of `Hg`)

`88.2`

`102.4`

`12.2`

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