MCQ
$HBr$ reacts with $CH_2 = CH -OCH_3$ at room temperature to give
- A$BrCH_2CHO$ and $CH_3OH$
- B$BrCH_2-CH_2-OCH_3$
- ✓$H_3C-CHBr-OCH_3$
- D$CH_3CHO$ and $CH_3Br$

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
${X_2} + {O_2} \rightleftharpoons 2XO\,\,\,\,\,\,\,\,\,\,\,{K_1} = 5$
${X_2} + 2{O_2} \rightleftharpoons 2X{O_2}\,\,\,\,\,\,\,\,\,\,\,{K_2} = 10$
Statement $I :$ Pure Aniline and other arylamines are usually colourless.
Statement $II :$ Arylamines get coloured on storage due to atmospheric reduction.
In the light of the above statements, choose the most appropriate answer from the options given below: