Question

Of the following, the metals that cannot be obtained by electrolysis of the aqueous solution of their salts are

Solution

Correct option is

Mg, Al

Magnesium and aluminium are both highly electropositive more electropositive than water cannot be obtained by electrolysis of aqueous solution of their salts.

SIMILAR QUESTIONS

Q1

 In the alumino-thermite process, aluminium acts as

Q2

The major role of fluorspar (CaF2) which is added in small amount in the electrolytic reduction of alumina dissolved in fused cryolite (Na3AlF6) is

Q3

 In the commercial electrochemical process for aluminum extraction, the electrolyte used is

Q4

The chemical process in the production of steel from haematite ore involve

Q5

Which of the following process is used in extractive metallurgy of magnesium?

Q6

Which ore contains both iron and copper?

Q7

Native silver metal forms a water soluble complex with a dilute aqueous solution of NaCN in the presence of