Hydrogen And Its Compounds Question 195
Question: Hydrogen accepts an electron to form inert gas configuration. In this it resembles
[Pb. PMT 1997]
Options:
A) Halogen
B) Alkali metals
C) Chalcogens
D) Alkaline earth metals
Show Answer
Answer:
Correct Answer: A
Solution:
$ \underset{1s^{1}}{\mathop{H}}+{e^{-}}\to \underset{1s^{2}\text{ or }{{[He]}^{2}}}{\mathop{{H^{-}}}} $
$ \underset{{{[He]}^{2}}2s^{2}2p^{5}}{\mathop{F+{e^{-}}}}\to \underset{{{[He]}^{2}}2s^{2}2p^{6}\text{ or }{{[Ne]}^{10}}}{\mathop{{F^{-}}}} $
BETA
