MCQ
Product of the above reaction will be


- ARacemic mixture
- ✓Diastereomers
- CMeso
- DConstitutional isomers


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$(I)\, CO_3^{-2}$ $(II)\,XeF_4$
$ (III)\,I_3^- $ $(IV)\,NCl_3$
$(V)\,BeCl_2$

$C(s) + {O_2}(g) \to C{O_2}(g),\Delta H = - 394\,kJ$
$2{H_2}(g) + {O_2}(g) \to 2{H_2}O(l),\,\Delta H = 568\,kJ$
$C{H_4}(g) + 2{O_2}(g)\,\, \to \,\,C{O_2}(g) + 2{H_2}O(l)$ $\Delta H = - 892\,kJ$ Heat of formation of $C{H_4}$ is.....$kJ$