MCQ
Among the following configurations, the element which has the highest electron affinity is
- A$[Ne] \,3s^1 ,\,3p^2$
- ✓$[Ne]\, 3s^2\,3p^5$
- C$[Ne]\, 3s^2\,3p^4$
- D$[Ne]\, 3s^2 \,3p^6 \,3d^5\, 4s^1$
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[Given : Specific heat of water $=4.18\, \mathrm{~J} \,\mathrm{~g}^{-1}\, \mathrm{~K}^{-1}$
Density of water $=1.00\, \mathrm{~g}\, \mathrm{~cm}^{-3}$ ]
(Assume no volume change on mixing)
$(I) \,C_6H_5CH_3$
$(II)\, C_6H_5COOH$
$(III)\, C_6H_6$
$(IV) \,C_6H_5NO_2$