What is the number of degrees of freedom for liquid water in equilibrium with a mixture of nitrogen and water vapor?

A. 2

B. 0

C. 3

D. 1

Answer: Option A

Solution(By Examveda Team)

Given, number of components $$= 2$$
Number of phases $$= 2$$
$$\eqalign{ & {\text{So, }}f = 2 - 2 + 2 \cr & \Rightarrow f = 2 \cr} $$
Assuming no reaction or reaction taking place very slowly.