MCQ
Tha main product of following reaction will be


- A

- ✓

- C

- D







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${C_6}{H_6}\left( \ell \right) + \frac{{15}}{2}{O_2} \to 6C{O_2}\left( g \right) + 3{H_2}O\left( \ell \right)\,\,\,\,\Delta H = - 3271\,kJ$
What is the value of $\Delta U$ for combustion of $1.5\, mol$ benzene at $27\,^oC$ ? .....$kJ$

$3 s^{2}$; $3 s^{2} 3 p^{1}$; $3 s ^{2} 3 p ^{3}$; $3 s^{2} 3 p^{4}$
The correct order of first ionization enthalpy for them is.