MCQ
How many primary amines are possible from the molecular formula $C _4 H _{11} N$ ?
- A1
- B2
- C3
- ✓4
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$(ii)\, CoBr · SO_4 · 5NH_3$
$(iii)\, FeCl_3 · 6H_2O$
| List $I$ Vitamin | List $II$ Deficiency disease |
| $A$ Vitamin $A$ | $I.$ Beri-Beri |
| $B$ Thiamine | $II.$ Cheilosis |
| $C$ Ascorbic acid | $III.$ Xeropthalmia |
| $D$ Riboflavin | $IV.$ Scurvy |
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