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【单选题】
已知 RC≡CH + NaNH 2 ──> RC≡CNa + NH 3 , 炔钠加能恢复成炔烃 , RC≡CNa + H 2 O ──> RC≡CH + NaOH, 据此可推测酸性大小为A.
NH 3 >RC≡CH>H 2 O
B.
H 2 O>RC≡CH>NH 3
C.
H 2 O>NH 3 >RC≡CH
D.
HN 3 >H 2 O>RC≡CH
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