- AOrder
- BHalf-life
- ✓Molecularity
- DRate constant
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$(1)$ It is reduced to methyl phenyl carbinol by sodium and ethanol
$(2)$ It is oxidised to benzoic acid with acidified $KMn{O_4}$
$(3)$ It does not undergo iodoform electrophilic substitution like nitration at meta position
$(4)$ It does not undergo iodoform reaction with iodine and alkali

Complexes : $\left[\mathrm{CoF}_{6}\right]^{3-},\left[\mathrm{Co}\left(\mathrm{H}_{2} \mathrm{O}\right)_{6}\right]^{2+},\left[\mathrm{Co}\left(\mathrm{NH}_{3}\right)_{6}\right]^{3+}$ and $\left[\mathrm{Co}(\mathrm{en})_{3}\right]^{3+}$
$\quad\quad\quad\quad\quad\quad A\quad\quad\quad\quad \quad B\quad\quad\quad\quad\quad\quad C\quad\quad\quad\quad\quad\quad D$
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