The pK a of CH 3 NH 2 is 40, while the pK a of HCN is
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The pKa of CH3NH2 is 40, while the pKa of HCN is 9.
(a) Explain this difference in acidity.
(b) Can the cyanide anion (the conjugate base of HCN) be used as a base to deprotonate a terminal alkyne? Explain.
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