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Metals like sodium, potassium calcium and magnesium are extracted by electrolysis of their chlorides in molten state. These metals are not extracted by reduction of their oxides with carbon because

(A) reduction with carbon is very expensive

(B) carbon readily makes alloys with these metals.

(C) carbon has less affinity for oxygen

(D) carbon is a weaker reducing agent than these metals.

 

(a)

(A) and (B)

 

(B) and (C)

(c)

(C) and (D)

 

(D) and (A)


Question ID - 55393 | Toppr Answer

Metals like sodium, potassium calcium and magnesium are extracted by electrolysis of their chlorides in molten state. These metals are not extracted by reduction of their oxides with carbon because

(A) reduction with carbon is very expensive

(B) carbon readily makes alloys with these metals.

(C) carbon has less affinity for oxygen

(D) carbon is a weaker reducing agent than these metals.

 

(a)

(A) and (B)

 

(B) and (C)

(c)

(C) and (D)

 

(D) and (A)

1 Answer - 5876 Votes

3537

Answer Key : (c) -

(C) and (D)



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