Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
JEE Main & Advanced
Chemistry
Classification of Elements and Periodicity in Properties / तत्त्वों का वर्गीकरण एवं गुणों में आवर्ति
Question Bank
Atomic and lonic radii
question_answer
Which one of the following should be most stable [MP PET 2000]
A)\[H_{2}^{+}\]
B)\[{{H}^{+}}\]
C)\[H\]
D)\[{{H}^{-}}\]
Correct Answer:
D
Solution :
\[{{H}^{-}}\] is most stable due to its full filled 1s-orbital.