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Which one of the following reaction is not possible?

(1) CH3COONa + HCI → CH3COOH + NaCI

(2) CH3 –SO3 H + H – C = C – Na → CH3SONa + H – C = C – H

(3) R – C = C – H + PhONa → PhOH + R – C = C – Na

(4) H – C = C – H + NaH2 → H – C = C – Na + NH3