MCQ
Select the correct statements of the following :-
$(a)$ Effective nuclear charge for nitrogen is $3.90$
$(b)$ $IP$ of $Ne$ is more than $Na^+$
$(c)$ Order of electron negativity $sp > sp^2 > sp^3$
$(d)$ Order of acidic character $NH_3 < PH_3 < AsH_3$
- A$a, b, d$
- ✓$b, c$
- C$a, c, d$
- D$a, b, c, d$