MCQ
Product $(A)$ is


- A

- ✓

- C

- D







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$[Figure]$ $\xrightarrow{{{H^ + }/H{g^{2 + }}}}A$
the product '$ A'$ is

$B + {H_2}O \to C + HCl$
Compound $(A),\,(B)$ and $(C)$ will be respectively
$(I)$ Ionization energy $(II)$ Ionic radius
$(III)$ Bond energy of the $X_2$ molecule $(IV)$ Enthalpy of vaporisation
| 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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