MCQ
Which is an electrophile
- ✓$BC{l_3}$
- B$C{H_3}OH$
- C$N{H_3}$
- D$AlCl_4^ - $
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
$(i)$ $1s^22s^2p^63s^1$ $(ii)$ $1s^22s^22p^64s^1$
Which of the following statements is/are false ?
$(a)$ Energy is required to change $(i)$ to $(ii)$
$(b)$ $(i)$ represents $‘Na’$ atom
$(c)$ $(i)$ and $(ii)$ represent different elements
$(d)$ More energy is required to remove one electron from $(i)$ than $(ii)$
$(K_f $ for benzene $= 5.12 \,K\, kg\, mol^{-1})$

