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Junaid
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Asked: 2021-12-09T07:11:10+00:00 In:

Choose the balanced equation(s) from the given:

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Poll Results

0%[A] (i) & (ii) only
100%[B] (i), (ii) & (iii) only ( 2 voters )
0%[C] (i), (iii) & (iv) only
0%[D] All of these
Based On 2 Votes

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(i) Ca(OH)₂ + CO₂ → CaCO₃ + H₂O
(ii) Fe + CuSO₄ → FeSO₄ + Cu
(iii) KClO₄⁻ → KCl + 2O₂
(iv) Cu + 2HNO₃ → Cu(NO₃)₂ + 2NO₂ + H₂O

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    1 Answer

    1. Best Answer

      [B] (i), (ii) & (iii) only
      Of the given options, only Equation IV is not balanced. The balanced equation is : Cu + 4HNO,→ Cu(NO), + 2NO, + 2H,0

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