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Haloalkanes and Haloarenes — Chemistry STD 12 Science — Question

Rajasthan BoardEnglish MediumSTD 12 ScienceChemistryHaloalkanes and Haloarenes1 Mark
Question
Which alky halide has maximum density?
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Answer

$CH_3​I$ has the highest molecular weight hence,
it is alkyl halide with maximum density.$(Mol. wt. $ of $CH_3​I) = (Mol. wt. $of $C) + 3 \times (Mol. wt.$ of $H) + (Mol. wt.$ of $I)$
$= 12 + ( 3 \times 1 ) + 127$
$= 42$

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