Which one of the following reactions does not give precipitate?
A
NH4Cl+NaOH
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B
Cu(NO3)2+2NaOH
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C
FeSO4+2NaOH
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D
FeCl3+3NaOH
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Solution
The correct option is DNH4Cl+NaOH The reaction between ammonium chloride and sodium hydroxide gives ammonium hydroxide and sodium chloride as a product. Both are water-soluble. Hence, they do not form a precipitate.