MEDIUMMCQ SINGLEIChO (Chemistry Olympiad)Organic ChemistryHydrocarbonsPhysical & Chemical Properties of Alkynes
Which is most acidic of the following ?
A.Methane
B.Acetylene✓ Correct
C.1-butene
D.Neo-pentane
Explanation
More the electronegative carbon atom present in a compound, more the acidic proton it has. The electronegative carbon has the following order on the basis of their hybridization- 3 2 sp sp sp CH CH has most acidic proton because of sp carbon atom . 3 2 2 CH CH CH CH has 2 sp carbon. 4 CH and has 3 sp carbon.
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