MCQ
Which of the elements listed below occurs in allotropic forms
- AIodine
- BCopper
- ✓Sulphur
- DSilver
$(1)$ Monoclinic
$(2)$ Rhombic
$(3)$ Plastic
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(Henry's law constant for $\mathrm{CO}_{2}$ at $298\, \mathrm{~K}$ is $1.67 \times 10^{3}$ $bar$)
if $T_1 < T_2$ then $X$ and $Y$ respectively are
