An element $$\left( X \right)$$ forms compounds of the formula $$XC{l_3},{X_2}{O_5}$$ and $$C{a_3}{X_2}$$ but does not form $$XC{l_5}.$$ Which of the following is the element $$X?$$
A.
$$B$$
B.
$$Al$$
C.
$$N$$
D.
$$P$$
Answer :
$$N$$
Solution :
Nitrogen can form $$NC{l_3},{N_2}{O_5}C{a_3}{N_2}$$ and not $$NC{l_5}$$ since it has no $$d$$ atomic orbitals in valence shell
Releted MCQ Question on Inorganic Chemistry >> P - Block Elements
Releted Question 1
The reddish brown coloured gas formed when nitric oxide is oxidised by air is