STD 11 - 3. Classification of elements and periodicity in properties — NEET STD 11 Science — Question

$(a)$ How many $g$ orbital are present in the $g$ subshell ?

$(b)$ In what principal electronic shell whould the $g$ subshell first occur and what is the total number of orbitals in this principal shell ?

$(II)\, O^+_2 ,NO,N^-_2$ have same bond order of $2 \frac{1}{2}$

$(III)$ Bond order can assume any value including zero upto four

$(IV)\, NO^-_3$ and $BO^-_3$ have same bond order for $X - O$ bond (where $X$ is central atom)