Chemistry
Grade-10
Easy

Question

C u O plus d i l space H C l space rightwards arrow___________.
Complete the reaction.

  1. CuO plus 2 HCl rightwards arrow CuCl subscript 2 plus straight H subscript 2 straight O
  2. 2 CuO plus 4 HCl rightwards arrow 2 CuCl plus 2 straight H subscript 2 straight O plus Cl subscript 2
  3. 2 CuO plus 2 HCl rightwards arrow Cu subscript 2 straight O plus straight H subscript 2 straight O plus Cl subscript 2
  4. CuO plus HCl rightwards arrow n o space r e a c t i o n

hintHint:

Acid and base reacts to give salt and water.

The correct answer is: CuO plus 2 HCl rightwards arrow CuCl subscript 2 plus straight H subscript 2 straight O


    Metal oxides are basic in nature. Cu is a metal CuO is basic in nature. We know acid and base reacts to give salt and water.
    CuO + 2HCl rightwards arrow CuCl2 + H2O

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