MCQ
When acetamide reacts with $B{r_2}$ and caustic soda, then we get
- AAcetic acid
- BBromoacetic acid
- ✓Methyl amine
- DEthane
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$2{N_2}{O_5}\, \to \,4N{O_2}\, + \,{O_2}$
the rate of reaction is
$(I)$ $\begin{array}{*{20}{c}} {C{H_3}\,\,\,\,\,\,Br} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|\,\,} \\ {C{H_3} - CH - CH - C{H_3}} \end{array}$
$(II)$ $[Figure\,2]$
$(III)$ $\begin{array}{*{20}{c}} {{C_6}{H_5} - CH - {C_6}{H_5}} \\ {|\,\,\,} \\ {Br} \end{array}$
$(IV)$ $[Figure\,4]$
Which one of the following is correct sequence of the halides given above in the decreasing order of their reactivity ?