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प्रश्न
Which of the following are combination reactions?
- `2"KClO"_3 overset("Heat")(->) 2"KCl" + 3"O"_2`
- `"MgO" + "H"_2"O" -> "Mg"("OH")_2`
- `4"Al" + 3"O"_2 -> 2"Al"_2"O"_3`
- `"Zn" + "FeSO"_4 -> "ZnSO"_4 + "Fe"`
विकल्प
(i) and (iii)
(iii) and (iv)
(ii) and (iv)
(ii) and (iii)
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उत्तर
(ii) and (iii)
Explanation -
Both the reactions (ii) and (iii) are the examples of combination reactions.
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संबंधित प्रश्न
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\[\ce{Pb3O4->PbO + O2}\]
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\[\ce{Al + O2->Al2O3}\]
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\[\ce{NO + O2->NO2}\]
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