MCQ
Which of the following cannot be regarded as molecular solid?
- A$\text{SiC}$
- B$\text{AlN}$
- CDiamond
- ✓All of the above
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(i)$ $PCl_3 + 3H_2O \to H_3PO_3 + 3HCl$
$(ii)$ $SF_4 + 3H_2O \to H_3SO_3 + 4HF$
$(iii)$ $BCI_3 + 3H_2O \to H_3BO_3 + 3HCl$
$(IV)$ $XeF_6 + 3H_2O \to XeO_3 + 6HF$
Then according to given information the incorrect statement is


$A.$ The electrical work that a reaction can perform at constant pressure and temperature is equal to the reaction Gibbs energy.
$B.$ $E _{\text {cell }}^0$ is dependent on the pressure
$C.$ $\frac{ dE ^0 \text { cell }}{ dT }=\frac{\Delta_{ r } S ^0}{ nF }$
$D.$ A cell is operating reversibly if the cell potential is exactly balanced by an opposing source of potential difference.
| Column I | Column II |
| (a) Solution of gas in gas | (i) Brass |
| (b) Solution of solid in solid | (ii) Air |
| (c) Solution of liquid in gas | (iii) Zinc amalgam |
| (d) Solution of liquid in solid | (iv) Chloroform in Nitrogen |