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Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Gujarat BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes1 Mark
MCQ
Which of the following are secondary bromides?
$\ce{(CH_3)_2CHBr}$
$\ce{(CH_3)_3C CH_2Br}$
$\ce{CH_3CH(Br)CH_2CH_3}$
$\ce{(CH_3)_2CBrCH_2CH_3}$
  • A
    $a$ and $b$
  • ✓
    $a$ and $c$
  • C
    $b$ and $c$
  • D
    $b$ and $d$
✓

Answer

Correct option: B.
$a$ and $c$
Secondary bromides are bromides where the bromo group $(-Br)$ is bonded to a secondary or $2-$degree carbon atom$. ($i.e. 2$^\circ C).$Thus in,
$\ce{(CH_3)_2CHBr –}$ Bromide group is attached to sec $–$carbon or $2^\circ C.$ $\ce{CH_3CH(Br)CH_2CH{_3}^-}$ here also, the Bromide group is attached to sec$-$ carbon or $2^\circ C.$

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