Single Answer MCQ
Q-00004400

Which of the following shows an acid/base reaction?

1

NaOH + HCl → NaCl + H2O

2

CaCO3 + H2 → Ca + CO2

3

CH3COOH + Na → CH3COONa + H2

4

H2 + O2 → H2O

Answer and Solution

Answer

A. NaOH + HCl → NaCl + H2O

Solution:

The equation NaOH + HCl → NaCl + H2O depicts a neutralization reaction between a strong base and a strong acid producing salt and water. The others do not fit this definition.

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