1. Classify each of the following reactions as precipitation, acid-base neutrali
ID: 1042428 • Letter: 1
Question
1. Classify each of the following reactions as precipitation, acid-base neutralization, or oxidation- reduction reaction: a) Niclz(aq) + NaS(aq) Nis(s)+2 NaCI(aq) b) Ca(OHXag)+2HNO (aq) Ca(NO,)(aq)+2 H:O() c) MnO:(s) +4 HCI(aq)MnCl:(aq)+ Cl:(g)+2H:O0) d) Pb(NO)(ag)+2 HC(aq) - PbCl:(s)+2 HNO f(aq) 2. Write net ionic equations for reactions a), b) and d) only above 3. Complete and balance the following reactions and write a net balanced equation for each. a) Fe(OH) (s) +HNO3(aq)? b) HCIO, (aq) + NaOH(ag)Explanation / Answer
1)
a) NiCl2 + Na2S -----> NiS + 2 NaCl : This is double displacement reaction
b) Ca(OH)2 + 2 HNO3 -----> Ca(NO3)2 + 2 H2O : Acid-base nuetralization HNO3 - acid , Ca(OH)2 - base
c) MnO2 + 4 HCl ----> MnCl2 + Cl2 + 2 H2O : Oxidation-reduction - Mn -oxidized, Cl - reduced
d) Pb(NO3)2 + 2 HCl ----> PbCl2 + 2 HNO3 : Acid-base nuetralization reaction Pb(NO3)2 - base, 2 HCl - acid
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