MCQ
The general electronic configuration of transition elements is
- A$(n - 1){d^{1 - 5}}$
- B$(n - 1){d^{1 - 10}}n{s^1}$
- ✓$(n - 1){d^{1 - 10}}n{s^{1 - 2}}$
- D$n{s^2}(n - 1){d^{10}}$
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$\Delta H_{f({C_2}{H_2})(g)}^o\, = \,230\,kJ\,mo{l^{ - 1}}$
$\Delta H_{f({C_6}{H_6})(g)}^o\, = \,85\,kJ\,mo{l^{ - 1}}$
Calculate the standard heat of trimerisation of ethyne to benzene.
$3{C_2}{H_2}(g) \to {C_6}{H_6}(g)$
......$kJ\, mol^{-1}$