Which of the following reactants exhibits aci | vedclass

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(A) The acidity of hydrocarbons depends on the hybridization of the carbon atom attached to the hydrogen. Terminal alkynes like $CH_3 - C\equiv CH$ ha

Vedclass · Accepted Answer

$CH_3 - C\equiv CH$

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(A) The acidity of hydrocarbons depends on the hybridization of the carbon atom attached to the hydrogen. Terminal alkynes like $CH_3 - C\equiv CH$ have a terminal hydrogen atom attached to an $sp$-hybridized carbon. Due to the high $s$-character $(50\%)$ in $sp$-hybridized orbitals,the electrons are held more tightly by the nucleus,making the $C-H$ bond polar and the hydrogen atom acidic. Other options like alkanes $(sp^3)$ and alkenes $(sp^2)$ have lower $s$-character and are not acidic enough to react with bases like $NaNH_2$ or $Cu_2Cl_2$.

Which of the following reactants exhibits acidic properties?

Similar Questions

Complete the following reactions:
$(1)$ $CH \equiv CH + 2H_2 \xrightarrow[523-573 \ K]{Ni} ?$
$(2)$ $CH_3-C \equiv CH + 2H_2 \xrightarrow[or \ Ni, \Delta]{Pd \ or \ Pt} ?$

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