The metal for which, its property of formation of volatile complex is taken into account for its extraction is:

Cobalt

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Nickel

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Vanadium

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Iron

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Solution

The correct option is B Nickel
Nickel forms $N i (C O)_{4}$ (volatile complex) with $C O$ which decomposes to give Nickel.

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Q. Complex formation method is used for the extraction of:

(a) Which property of sulphuric acid accounts for its use as a dehydrating agent ?

(b) Concentrated sulphuric acid is both an oxidizing agent and a non-volatile acid. Write on equation each to illustrate the above mentioned properties of sulphuric acid.

Choose the correct sequence for extraction of metal from its ore.

i) Concentration of ore
ii) Reduction of metallic oxides
iii) Conversion of the ore into its oxide
iv) Refining of impure metal

A g_{2} S + N a C N + Z n ⟶ A g

This method of extraction of Ag by complex formation and then its displacement is called_______.

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The metal for which, its property of formation of volatile complex is taken into account for its extraction is:

The correct option is B NickelNickel forms Ni(CO)4 (volatile complex) with CO which decomposes to give Nickel.

The correct option is B Nickel
Nickel forms $N i (C O)_{4}$ (volatile complex) with $C O$ which decomposes to give Nickel.