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Question
Choose the correct answer from the options given below
Condition favorable for formation of a covalent bond is
Options
Equal electro negativities of combining atoms
Difference in electron affinities between combining atoms
Atoms should have low ionistation energy
Low nuclear charge and large internuclear distance
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Solution
Equal electro negativities of combining atoms
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| \[\begin{array}{cc} \phantom{..}\ce{H}\phantom{...}\ce{H}\phantom{...}\ce{H}\\ \phantom{..}|\phantom{....}|\phantom{....}|\\ \ce{H - C - C- C- H}\\ \phantom{.}|\phantom{....}|\phantom{....}|\\ \ce{H - C - H}\\ |\\\ce{H}\end{array}\] |
