Question

This reaction is an explosive reaction of a strong acid combining with a strong base.

H2SO4 + 2NaOH → 2H2O + Na2SO4

Which compounds are the reactants and which are the products?

A.
reactants: H2SO4 + 2NaOH
products: 2H2O + Na2SO4

B.
reactants: 2NaOH + Na2SO4
products: H2SO4 + 2H2O

C.
reactants: 2H2O + Na2SO4
products: H2SO4 + 2NaOH

D.
reactants: H2SO4 + 2H2O
products: 2NaOH + Na2SO4

Answer 1

An easy way to think of it is What is being reacted together? (Reactants) This is anything on the left hand side of the arrow.

And what is being made (Product) so anything on the right side of the arrow.

For this question the answer is A.

Answer 2

Reactants: H₂SO₄ + 2 NaOH
Products: 2 H₂O + Na₂SO₄

The answer is A.