Answer
Al + 3Br → AlBr3
i. This is a synthesis reaction
b. Cu + AgNO3 → CuNO3 + Ag
i. This is a single replacement reaction
c. C3H8 + 5O2 → 3CO2 + 4H2O
i. This is a combustion reaction
d. Pb(NO3)2 + 2KI → PbI2 + 2KNO3
i. This is a double replacement reaction
Work Step by Step
Al + 3Br → AlBr3
i. This is a synthesis reaction
b. Cu + AgNO3 → CuNO3 + Ag
i. This is a single replacement reaction
c. C3H8 + 5O2 → 3CO2 + 4H2O
i. This is a combustion reaction
d. Pb(NO3)2 + 2KI → PbI2 + 2KNO3
i. This is a double replacement reaction