MCQ
$C_7H_9N$ has how many isomeric forms that contain a benzene ring
- ✓$4$
- B$5$
- C$6$
- D$7$

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$(i)$ $6C(s) + 3{H_2}(g) \to {C_6}{H_6}(l);\,\Delta H = + 45.9\,kJ$
$(ii)$ ${H_2}(g) + \frac{1}{2}{O_2}(g) \to {H_2}O(l);\,\Delta H = - 285.9\,kJ$
$(iii)$ $C(s) + {O_2}(g) \to C{O_2}(g);\,\Delta H = - 393.5\,kJ$
........$kJ$
| LIST I | LIST II | ||
| A. | alpha - Glucose and alpha - Galactose | I. | Functional isomers |
| B. | alpha - Glucose and beta - Glucose | II. | Homologous |
| C. | alpha - Glucose and alpha - Fructose | III. | Anomers |
| D. | alpha - Glucose and alpha - Ribose | IV. | Epimers |
$\mathrm{MnO}_2+\mathrm{KOH}+\mathrm{O}_2 \rightarrow \mathrm{A}+\mathrm{H}_2 \mathrm{O} .$
Product ' $A$ ' in neutral or acidic medium disproportionate to give products ' $\mathrm{B}$ ' and ' $\mathrm{C}$ ' along with water. The sum of spin-only magnetic moment values of $B$ and $C$ is . . . . . .$BM$. (nearest integer)
(Given atomic number of $\mathrm{Mn}$ is $25$ )
