Question

At 27oC27oC the pressure of resulting gas is:

• A. $24$ atmatm
• B. $12$ atmatm
• C. $8$ atmatm
• D. $6$ atm

Answer 1

The correct option is C $8$ atmatm

Since volume = constant,
Charles law is applicable.
So, $\frac{P_1}{T_1}=\frac{P_2}{T_2}$
here, $P_1=12$ $atm$
$T_1=300$ $K$
$P_2=?$
$T_2=200$ $K$
putting the values, we get $P_2$ = $8$ $atm$