Home
Class 12
CHEMISTRY
Electrolytic reduction of alumina to alu...

Electrolytic reduction of alumina to aluminium by Hall - Herault process is carried out

A

in the presence of NaCl

B

in the presence of fluorite

C

in the presence of cryolite which forms a melt with lower melting temperature

D

in the presence of cryolite which forms a melt with higher melting temperature

Text Solution

Verified by Experts

The correct Answer is:
C
lectrolytic reduction of alumina to aluminium is carried out in the presence of cryolite `(Na_(3) AIF_(6))` which decreases the M.pt of `Al_(2)O_(3)`
Promotional Banner

Topper's Solved these Questions

  • METALLURGY

    AAKASH SERIES|Exercise PRACTICE SHEET-5 (PASSAGE-II)|6 Videos

  • METALLURGY

    AAKASH SERIES|Exercise PRACTICE SHEET-5 (MATCH THE FOLLOWING QUESTIONS)|2 Videos

  • METALLURGY

    AAKASH SERIES|Exercise PRACTICE SHEET-4 (Integer answer type Questions)|6 Videos

  • IONIC EQUILLIBRIUM

    AAKASH SERIES|Exercise ADDITIONAL PRACTICE EXERCISE (PRACTICE SHEET ( ADVANCED))|11 Videos

  • NITROGEN CONTAINING COMPOUNDS

    AAKASH SERIES|Exercise Conversions|18 Videos

Similar Questions

Explore conceptually related problems

The function of adding cryolite in the electrolytic reduction of alumina by Hall Herault process is

The function of adding cryolite in the clectrolytic reduction of alumina by Hall–Héroult process is to

Roosting is carried out to

Roasting is carried out in

In the electrolytic reduction of alumina, the anodic product is

Electrolytic reduction is used in the extraction of

During the electrolytic reduction of alumina, the reaction at cathode is

During the electrolytic reduction of alumina, the reaction at cathode is