Question

1) Check ALL of the following substances which will conduct electricity in the form given:
i) 1M NaOH in water
ii) solid sodium chloride
iii) 10% methanol (CH3OH) in water
iv) 0.1M solution of potassium bromide
v) deionized water
-----
2.A solution is known to contain only one type of anion. Addition of Ca2+ ion to the solution had no apparent effect (all ions remained in solution), but addition of Pb2+ ion resulted in a precipitate. Which anion is present?
i) ClO31-
ii) Br1-
iii) C2H3O21-
iv) NO31-
v) none of the anions listed in the other choices are present
3.Write the balanced chemical equation for the dissolution of magnesium bromide. What is the coefficient in front of the solvated anion?
i) 0
ii) 1
iii) 2
iv) 3
v) 4

Answer 1

Answer:

First answer is solid sodium chloride

second answer is fifth option..none of……

third answer is fourth option..3……

…pls mark it as brainless answer