Which of the following statements is incorrect w.r.t. $ \text{Physisorption} $?

Which of the following conditions is favorable for $Van \ der \ Waals$ adsorption?

Which of the following statements is incorrect?

Which one of the following statements is correct?

The plot of $\log \frac{x}{m}$ ($y$-axis) and $\log p$ ($x$-axis) is a straight line inclined at an angle of $45^{\circ}$. When the intercept is $\log K = 0.3010$ (where $K = 2$) and pressure is $0.3 \ atm$,calculate the amount of solute in grams adsorbed per gram of adsorbent $\frac{x}{m}$ (given $\log 3 = 0.4771$ and $\log 0.3 = -0.5229$)?

When a dilute aqueous solution of $AgNO_3$ (excess) is added to $KI$ solution,positively charged sol particles of $AgI$ are formed due to the adsorption of which ion?