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hello please i want the asnwer with steps as soon as possible thank you Reaction

ID: 547891 • Letter: H

Question

hello

please i want the asnwer with steps as soon as possible

thank you

Reactions in Aqueous Solutions Electrolytes 1- By using the table of solubilities of ionic compounds in water, predict which compound(s) in each of the following groups is (are) expected to be soluble in water? If a compound is soluble, write the equation for its dissolution in water. a) AgCI, Ag,PO AgNO, b) KCI, K CO,, KMno 2- Water is an extremely weak electrolyte, i.e., a very poor conductor of electricity. Yet we are often cautioned not to operate electrical appliances when our hands are wet. Why? 3- Explain the difference in the chemical meaning of the symbols: and

Explanation / Answer

Solubility rules:

- Most alkali metal (group I metals) are always soluble

- Cations/Anions such as NH4+, HCO3-; ClO3-, NO3- are always soluble

- Most halides are soluble, F-,Cl-,Br-,I-, exceptions = Ag+, Hg2+2, Pb+2 compounds

- Most sulfates are soluble (SO4-2); exceptions = Ag+, Ca+2, Sr+2, Ba+2, Hg2+2, Pb+2 compounds

- In general (except all alkali metals) these ions will NOT be soluble: PO4-3, CrO4-2, S-2, CO3-2

Q1

a)

only AgNO3 will be soluble

b)

all are soluble, since K+ is alkali metal

c)

Only NO3- since all ntirates are soluble

d)

all are soluble, since  Na+ is alkali metal

Q2

because we use Tap water, which contains ions in solution such as Na+, K+, Cl- etc..

these DO conduct electricity

Q3

--> means forward reaciton is favoured, i.e. production

<--- and --> implies equilibirum between products and reactants