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Statement 1: In the extraction of silicon, by reduction with high purity coke, the SiO2 is taken in excess.Statement 2: Excess of SiO2 prevents the formation of the carbide SiC.

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a

Both statements 1 and 2 are correct

b

Statement 1 is correct and statement 2 is incorrect

c

Statement 1 is incorrect and statement 2 is correct

d

Both statements 1 and 2 are incorrect

answer is A.

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Detailed Solution

SiO2sexcess + 2Cs → Sis + 2CO gBoth statements are correct statements and statement 2 is the explanation of statement 1.

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Statement 1: In the extraction of silicon, by reduction with high purity coke, the SiO2 is taken in excess.Statement 2: Excess of SiO2 prevents the formation of the carbide SiC.