MCQ
The molecular formula of $DDT$ has ......... chlorine atoms
- ✓$5$
- B$4 $
- C$3 $
- D$2$
$5$ chlorine atoms
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(Round off to the NearestInteger)
[Use:Atomicmasses:$Na:23.0\,u \mathrm{O}: 16.0 \,\mathrm{u} \quad \mathrm{H}: 1.0 \,\mathrm{u}$, Density of $\mathrm{H}_{2} \mathrm{O}: 1.0 \,\mathrm{~g} \,\mathrm{~cm}^{-3}$ ]
(Given $\log 5 = 0.70, \log 3 = 0.48$)
...... $joule$