Answer the following questions : (i) What is 'Misch metal' ? Give its one use. (ii) Write the formula of an oxoanion of chromium in which it shows the oxidation state equal to its group number. (iii) Why does Vanadium pentoxide (V₂O₅) act as a catalyst ? (iv) Why do transition elements have high enthalpies of atomisation ? (v) How do you prepare Na₂Cr₂O₇ from Na₂CrO₄ ?

Metallic Character of Transition Metals, Catalytic Property of Transition Metals, Preparation of Potassium Dichromate, Properties of Potassium Dichromate, Chemical Reactivity of Lanthanides | PadhAiPro

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TextMetallic Character of Transition MetalsCatalytic Property of Transition MetalsPreparation of Potassium DichromateProperties of Potassium DichromateChemical Reactivity of LanthanidesCBSE PYQ

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Write the preparation of Na₂Cr₂O₇ from chromite ore.

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