1. Tardigrade
  2. Question
  3. Chemistry
  4. Give the correct order of initials T or F for following statements. Use T if statement 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 MgCl2 . (iii) Extraction of Pb is possible by carbon reduction method. (iv) Red bauxite is purified by Serpeck’s process.

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Q. Give the correct order of initials $T$ or $F$ for following statements. Use $T$ if statement 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.

NTA AbhyasNTA Abhyas 2022

Solution:

(i) $Cr _2 O _3+2 Al (R.A.) \xrightarrow{\Delta} Al _2 O _3+2 Cr ; \Delta H =-v e$
(ii) $Mg$ is extracted by electrolysis of fused $MgCl _2$ and $NaCl$
(iii) $PbO + C \rightarrow Pb + CO$
(iv) Red Bauxite is purified by Baeyer's process