question_answer

If three unreactive gases having partial pressures \[{{P}_{A}},\,{{P}_{B}}\] and \[{{P}_{C}}\] and their moles are 1, 2 and 3 respectively then their total pressure will be       [CPMT 1994]

A)                 \[P={{P}_{A}}+{{P}_{B}}+{{P}_{C}}\]       

B)                 \[P=\frac{{{P}_{A}}+{{P}_{B}}+{{P}_{C}}}{6}\]

C)                 \[P=\frac{\sqrt{{{P}_{A}}+{{P}_{B}}+{{P}_{C}}}}{3}\]       

D)                 None