Out of the following diagrams, which represent the T-P diagram?

a) iv

b) ii

c) iii

d) i

Answer:

The correct option is c) iii

Explanation:

In the above-mentioned graph,

PV=constant

Moreover, PV=nRT

As a result, T=constant.

And as you progress from 1 to 2, the value of ‘P’ decreases. The graph in option satisfies these two requirements (iii)