MCQ
Ethylbenzene $+ Cl_2$ $\xrightarrow{{Light}}$ (main) compound is:
- A$o- \& \,p-$ chloroethylbenzene
- ✓$1-$ Chloroethylbenzene
- C$2-$ Chloroethylbenzene
- D$m-$ Chloroethylbenzene
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$PC{l_{3(g)}}\, + \,C{l_2}(g)\, \rightleftharpoons \,PC{l_{5(g)}}$
(Plank's const. $ h = 6. \times 10^{-34}\, Js\,;$ mass of electron $= 9.1091 \times 10^{-31}\, kg\,;$ charge of electron $e= 1.60210 \times 10^{-19}\, C\,;$ permittivity of vaccum $\in _0 = 8.854185 \times 10^{-12} \,kg^{-1} \,m^{-3} A^2$)
$(A)\,ZnO + Na_2O\rightarrow Na_2ZnO_2$
$(B)\,ZnO + CO_2\rightarrow ZnCO_3$