question_answer

Which one of the following species is diamagnetic in nature?     AIEEE  Solved  Paper-2005

A) \[H_{2}^{-}\]    

B)        \[H_{2}^{+}\]                    

C)        \[{{H}_{2}}\]      

D)        \[He_{2}^{+}\]

Correct Answer: C

Solution :

A species is said to be diamagnetic if it has all electrons paired.

Species	Electrons	MO Electronic confogiraton	Magnetic behavioiurs
	3		Paramagnetic
	1		Parmagnetic
	2		Diamagnetic
	3		Paramagnetic