Electronic configuration of a transition element $$X$$ in +3 oxidation state is $$\left[ {Ar} \right]3{d^5}.$$ What is its atomic number?
A.
25
B.
26
C.
27
D.
24
Answer :
26
Solution :
The electronic configuration of $${X^{3 + }}$$ is $$\left[ {Ar} \right]3{d^5}.$$
∴ Atomic no. of $$X = 18 + 5 + 3 = 26$$
Releted MCQ Question on Inorganic Chemistry >> D and F Block Elements
Releted Question 1
When same amount of zinc is treated separately with excess of sulphuric acid and excess of sodium hydroxide, the ratio of volume of hydrogen evolved is