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प्रश्न
A single displacement reaction is represented by X(s) + 2HCl(aq) → XCl2(aq) + H2(g). Which of the following(s) could be X.
(i) Zn
(ii) Ag
(iii) Cu
(iv) Mg.
Choose the best pair.
विकल्प
i and ii
ii and iii
iii and iv
i and iv
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उत्तर
i and iv
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संबंधित प्रश्न
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Cl2 + 2KI → 2KCl + I2
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- \[\ce{Mg + 2HCl -> MgCl_2 +H_2}\]
- \[\ce{NaOH +HCl -> NaCl + H_2O}\]
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