MCQ
Which alky halide has maximum density?
- AC3H7F
- BC2H5Cl
- CCH3Br
- DCH3I
Explanation:
CH3I has the highest molecular weight hence, it is alkyl halide with maximum density.
(Mol. wt. of CH3I) = (Mol. wt. of C) + 3 × (Mol. wt. of H) + (Mol. wt. of I)
= 12 + ( 3 × 1 ) + 127
= 42
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Reason $(R)$: $\left[\mathrm{Co}(\mathrm{en})_2 \mathrm{Cl}_2\right]^{+}$complex ion has an octahedral geometry.
In the light of the above statements, choose the most appropriate answer from the options given below :
(Atomic No. $Y = 39$, $La = 57$, $Eu = 63$, $Lu = 71$)