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Give the correct order of initials T or F for following statements. Use T if statements is true and F if it is false.
`(i)` In gold schmidt thermite process aluminium acts as a reducing agent.
`(ii) Mg` is extracted by electrolysis of aq. solution of `MgCl_(2)`.
`(iii)` Extraction of Pb is possible by carbon reduction method
`(iv)` Red Bauxite is purified by Serpeck's process.

A

T T T F

B

T F F T

C

F T T T

D

T F T F

Text Solution

Verified by Experts

The correct Answer is:
D
(i)`overset(+3)(Cr_2)O_3+overset02Aloverset(Delta)tooverset(+3)(Al_2)O_3+overset(0)(2Cr)`
(ii)Mg is extracted by electrolytic reduction of fused `MgCl_2`.As Mg lies above hydrogen in electrochemical series.
(iii)`PbO+CoversetDeltatoPb+CO,CaO+SiO_2oversetDeltaCaSiO_3`
Red bauxite (contains impurity of iron oxide ) is purified by Bayer,s /Hall's process.
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