General Organic Biochemistry 1 Lab quiz and answers

General-Organic-Biochemistry I Recitation 2 Set 3

(Solubility; Redox Reactions)
Solutions
Part A
1) Determine whether each of the following compounds is soluble or
insoluble. For the soluble compounds, write the ions present in solution
(show process dissociation):
a. AgI - insoluble
b. Cu3(PO4)2 - insoluble
c. CoCO3 - insoluble
d. K3PO4 – soluble K3PO4(aq) 3K+(aq) + PO4-3(aq)
2) Complete and balance each of the following equations. If no reaction
occurs, write NO REACTION:


a. 2K3PO4(aq) + 3NiCl2(aq) 6KCl(aq)+Ni3(PO4)2(s)
REACTION OF PRECIPITATON

b. NaNO3(aq) + KCl(aq) NO REACTION (all reactants and
possible products are soluble)

c. NaOH(aq) + HNO3(aq) NaNO3(aq) + H2O(l)
Reaction of Neutralization


d. NH4Cl(aq) + AgNO3(aq) NH4NO3(aq) + AgCl(s)
REACTION OF PRECIPITATON


3) Write Balanced complete ionic and net ionic equation for each of the
following reactions:

a. 1). K2SO4(aq) + CaCl2(aq) CaSO4(s) + 2KCl(aq) – Molecular
Equation