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Displacement Reactions and Acid Base reactions Worksheet with Solution, Exercises of Chemistry

Example problems with answers

Typology: Exercises

2020/2021

Uploaded on 03/30/2021

ekaashaah
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Worksheet 6 – Displacement Reactions and Acid/Base reactions
Displacement reactions are those in which ions recombine in solution. If the products
of this recombination are insoluble in water, a solid precipitate will form.
The solubility rules for common salts are summarized below:
1. Most nitrate salts are soluble.
2. Most salts of sodium, potassium and ammonium cations are soluble.
3. Most chloride salts are soluble.
Exceptions: silver, lead (II), and mercury (I) chloride (Hg2Cl2)
4. Most sulfate salts are soluble.
Exceptions: calcium, barium and lead (II) sulfate
5. Most hydroxides are only slightly soluble
Exceptions: sodium, potassium, calcium and barium hydroxides
6. Most sulfide, carbonate and phosphate salts are only slightly soluble.
Based on these rules, decide if each of the following compounds is soluble (s), or
insoluble (i),and which rule this is based on:
compound solubility rule
silver chloride
i 3
manganese (II) hydroxide
i 5
calcium nitrate
s 1
sodium carbonate
s 2
nickel (II) sulfate
s 4
magnesium sulfide
i 6
calcium carbonate
i 6
potassium hydroxide
s 2
ammonium nitrate
s 1
potassium chloride
s 2
aluminum hydroxide
i 5
pf3
pf4
pf5