MCQ
Bromination take place at


- ✓$a$
- B$b$
- C$c$
- D$d$

$\therefore$ formation of stable $3^o$ free radical at $(a)$
$\therefore$ Bromination of $(a)$ is most favourable.
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A for precipitate formation reaction.
B for precipitate dissolution reaction.
C for precipitate exchange reaction.
D for no reaction.
${P_4} + NaOH \longrightarrow P{H_3} \uparrow + Na{H_2}P{O_2}$