Exam (elaborations) CHEM 108 Module 6 Exam Answers- Portage Learning Problem Set 1 1. Identify each of the compounds below as ACID, BASE or SALT on the basis of their formula and explain your answer based on the definition given in the module: (a) HC6H5O2

Problem Set 1
1. Identify each of the compounds below as ACID, BASE or SALT on the basis of their formula and explain your answer based on the definition given in the module:
(a) HC6H5O2
Acid
(b) Be(OH)2
Base
(c) Mn(ClO2)2 Salts
(d) AgCl
Salts
(e) Sn(OH)4 bases
(f) H2CrO4
acids
(g) PbO2 Salts
(h) Ni(OH)4
Bases
(i) H3AsO4
Acids
(j) HC2H3O2
Acids
2. Identify the following unknown substances as ACID, BASE or SALT on the basis of their property.SET1 (a) Solution of A has a pH of 4.6
Acids
(b) Solution of B causes litmus to turn blue
Base
(c) Substance C has a bitter taste
Bases
(d) Solution of D has a pH of 8.9
Base
(e) Substance E has a sour taste
Acid
(f) Solution of F causes litmus to turn red
Acid Problem Set 2
3. In the following reaction identify each reactant as an Arrhenius acid or an Arrhenius base and explain your answers.
NaOH + HCl → NaCl + H 2O
HCl Arrhenius acid since it provide H+ NaCl Arrhenius base since it provide OH+
4. In the following reaction identify each reactant as a Brønsted-Lowry acid or a Brønsted- Lowry base and explain your answers.
HCl + NH3 → NH4+ + Cl-
HCl Brønsted-Lowry acid because of donor H+ NH3 Brønsted- Lowry base because it is acceptor of H+
5. In the following reaction identify each reactant as a Lewis acid or a Lewis base and explain your answers.
Na2O: + SO3 → Na2SO4