ndicate what type, or types, of reaction each of the following represents. (Sele

Question

ndicate what type, or types, of reaction each of the following represents. (Select all that apply.)

(a)

KBrO4(s) KBr(s) + 2 O2(g)

acid-base

combustion

double displacement

neutralization

oxidation-reduction

precipitation

single-displacement

(b)

Al(OH)3(aq) + 3 HCl(aq) AlCl3(aq) + 3 H2O(l)

acid-base

combustion

double displacement

neutralization

oxidation-reduction

precipitation

single-displacement

(c)

Pb(NO3)2(aq) + H2SO4(aq) PbSO4(s) + 2 HNO3(aq)

acid-base

combustion

double displacement

neutralization

oxidation-reduction

precipitation

single-displacement

(d)

C2H6O(l) + 3 O2(g) 2 CO2(g) + 3 H2O(g)

acid-base

combustion

double displacement

neutralization

oxidation-reduction

precipitation

single-displacement

Explanation / Answer

(a)

KBrO4(s) KBr(s) + 2 O2(g)

oxidation-reduction

explanation:

Br oxidation state changes from +7 to -1 (reduction)

oxidation state changes -2 to 0 (oxidation)

(b)

Al(OH)3(aq) + 3 HCl(aq) AlCl3(aq) + 3 H2O(l)

acid-base

double displacement

neutralization

c) Pb(NO3)2(aq) + H2SO4(aq) PbSO4(s) + 2 HNO3(aq)

double displacement

precipitation

explanation: PbSO4 precipitate is formed and double displacement also here took place

(d)

C2H6O(l) + 3 O2(g) 2 CO2(g) + 3 H2O(g)

combustion

oxidation-reduction

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