The trend in acidic behaviour of the followin | vedclass

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(C) The acidic character of hydrocarbons depends on the percentage of $s$-character in the $C-H$ bond. Higher $s$-character leads to higher electroneg

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$a > d > b > c$

Vedclass · Answer

(C) The acidic character of hydrocarbons depends on the percentage of $s$-character in the $C-H$ bond. Higher $s$-character leads to higher electronegativity of the carbon atom,making the $C-H$ bond more polar and the hydrogen more acidic.$1$. $a: HC \equiv CH$ ($sp$ hybridized,$50\% \ s$-character)$2$. $d: CH_3 - C \equiv CH$ ($sp$ hybridized terminal alkyne,$50\% \ s$-character,but the $+I$ effect of the methyl group decreases acidity compared to $a$)$3$. $b: CH_2 = CH_2$ ($sp^2$ hybridized,$33.3\% \ s$-character)$4$. $c: CH_3 - CH_3$ ($sp^3$ hybridized,$25\% \ s$-character)Therefore,the order of acidity is $a > d > b > c$.

The trend in acidic behaviour of the following hydrocarbons is:
$a: HC \equiv CH$
$b: CH_2 = CH_2$
$c: CH_3 - CH_3$
$d: CH_3 - C \equiv CH$

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The trend in acidic behaviour of the following hydrocarbons is:$a: HC \equiv CH$$b: CH_2 = CH_2$$c: CH_3 - CH_3$$d: CH_3 - C \equiv CH$