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Predict which one of the following compounds would be insoluble in water.

a. CH₄
b. Na₂SO₄
c. HCl
d. NaCl

2 Answers

5 votes
CH4 is less polar molecule compared to others. Except CH4, all the 3 compounds are ionic in nature and hence soluble in water.

Hence CH4 is insoluble in water.

Hope this helps!!
User Claudette
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5 votes
CH4 is insoluble in water 
User Gunty
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