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प्रश्न
Mention any three processes where transition metals act as catalysts.
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उत्तर
(i) Vanadium (V) oxide in contact process for oxidation of \[\ce{SO2}\] to \[\ce{SO3}\].
(ii) Finely divided iron in Haber’s process in conversion of \[\ce{N2}\] and \[\ce{H2}\] to \[\ce{NH3}\].
(iii) \[\ce{MnO2}\] in preparation of oxygen from \[\ce{KClO3}\].
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| Column I (Property) | Column II (Metal) | |
| (i) | Element with highest second ionisation enthalpy |
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| (ii) | Element with highest third ionisation enthalpy |
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| (iii) | \[\ce{M}\] in \[\ce{M(CO)6}\] is | (c) \[\ce{Cu}\] |
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| (e) \[\ce{Ni}\] |
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