What will happen, if anode is made of nickel instead of graphite in the extraction of aluminium from $A l C l_{3}$ ?

Nickel will be affected by high temperature

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Nickel will combine with

C l_{2}

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Nickel is insulator

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All of these

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Solution

The correct option is A Nickel will combine with $C l_{2}$
Since Ni has a considerably higher melting point therefore it wont be affected by higher temperature, but since it easily reacts with Cl₂ therefore at higher temperatures it will combine with Cl₂ to form NiCl₂ .

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Similar questions

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Q. Two electrolytic cells containing molten solutions of Nickel chloride and Aluminium chloride are connected in series. If same amount of electric current is passed through them, what will be the weight of Nickel obtained when

18 g m

of Aluminium is obtained?

(A l - 27 g m / m o l e, N i - 58.5 g m / {m o l e}^{- 1})

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(ii) What is the role of cryolite in the extraction of aluminium?
(iii) What is the role of limestone in the extraction of iron from its oxides?

Q. Two electrolytic cells containing molten solutions of nickel chloride and aluminium chloride are connected in series. If same amount of electric current is passed through them, what will be the weight of nickel obtained when 18 g of aluminium is obtained ?
[Al = 27 g/mol, Ni = 58.5 g/

m o l^{- 1}

]

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What will happen, if anode is made of nickel instead of graphite in the extraction of aluminium from AlCl3?

The correct option is A Nickel will combine with Cl2Since Ni has a considerably higher melting point therefore it wont be affected by higher temperature, but since it easily reacts with Cl2 therefore at higher temperatures it will combine with Cl2 to form NiCl2 .

What will happen, if anode is made of nickel instead of graphite in the extraction of aluminium from $A l C l_{3}$ ?

The correct option is A Nickel will combine with $C l_{2}$
Since Ni has a considerably higher melting point therefore it wont be affected by higher temperature, but since it easily reacts with Cl₂ therefore at higher temperatures it will combine with Cl₂ to form NiCl₂ .