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Aluminium is extracted from alumina by electrolysis of a molten mixture of 

 

Option 1 -

A

Option 2 -

B

Option 3 -

C

Option 4 -

D

0 2 Views | Posted a week ago
Asked by Shiksha User

  • 1 Answer

  • Correct Option - 4


    Detailed Solution:

    Group?17, elements have very high ionisation enthalpy due to increase in atomic size, ionization enthalpy decreases down the group.

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