MCQ
Among the following vitamins the one whose deficiency causes rickets (bone deficiency) is
- AVitamin $A$
- BVitamin $B$
- ✓Vitamin $D$
- DVitamin $C$
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Product $(A)$ is
| Process | $\Delta H / kJ\,mol ^{-1}$ | $\Delta S / J K^{-1}$ |
| $A$ | $-25$ | $-80$ |
| $B$ | $-22$ | $40$ |
| $C$ | $25$ | $-50$ |
| $D$ | $22$ | $20$ |
The number of non-spontaneous process from the following is $.....$