When a gas filled in a closed vessel is heated through `1^(@)C`, its pressure increases by 0.4%. What is the initial temperature of gas ?

Options

A. `250 K`
B. `2500 K`
C. `250 ^@ C`
D. `25^@ C`

Answer

A

Explanation

`PV = nRT," "(dP)/p xx100 = (dT)/T xx100 rArr 0.4 =1/T xx100 " "rArr " "T =250 K`