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Question
In which of the following compounds the C-H bond is strongest and acidic in nature ?
In which of the following compounds the C-H bond is strongest and acidic in nature ?
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Solution
The correct option is D Acetylene
In acetylene( an alkyne) , the high level of s-charchter in sp hybrid orbital causes polarisation of the C-H bond and hydrogen becomes slightly positively charged and thus acidic in nature. In alkanes and alkenes the amount of s-charachter is less thus making the hydrogen atoms less electron deficient and less acidic.
In acetylene( an alkyne) , the high level of s-charchter in sp hybrid orbital causes polarisation of the C-H bond and hydrogen becomes slightly positively charged and thus acidic in nature. In alkanes and alkenes the amount of s-charachter is less thus making the hydrogen atoms less electron deficient and less acidic.
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