# Problem: Which of the following is an acid-base reaction?A) 2 C2H6(l) + 7 O2(g)  →  4 CO2(g) + 6 H2O(g)B) MgSO4(aq) + Pb(NO3)2(aq)  →  Mg(NO3)2(aq) + PbSO4(s)C) 2 H2(g) + O2(g)  →  2 H2O(g)D) 2 HClO4(aq) + Ca(OH)2(aq)  →  2 H2O(l) + Ca(ClO4)2(aq)E) None of the above is an acid-base reaction.

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###### FREE Expert Solution

We’re being asked which of the given reaction is an acid-base reaction. Recall that in an acid-base reactionwater and salt are formed as products.

A) 2 C­2H6(l) + 7 O2(g)  4 CO2(g) + 6 H2O(g)

Both C2H6 and O2 are neither an acid nor base. Furthermore, CO2 is not a salt.

###### Problem Details

Which of the following is an acid-base reaction?

A) 2 C2H6(l) + 7 O2(g)  →  4 CO2(g) + 6 H2O(g)

B) MgSO4(aq) + Pb(NO3)2(aq)  →  Mg(NO3)2(aq) + PbSO4(s)

C) 2 H2(g) + O2(g)  →  2 H2O(g)

D) 2 HClO4(aq) + Ca(OH)2(aq)  →  2 H2O(l) + Ca(ClO4)2(aq)

E) None of the above is an acid-base reaction.