Q.

Statement 1: Si−Si bonds are much weaker than Si−O bonds.Statement 2: Silicon forms double bonds with itself.

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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 B.

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Detailed Solution

Statement 1:  bond                      bond energy                        Si−Si                  297 kJ/mole                        Si−O                   464 kJ/moleStatement 2 : Silicon does not form Si = Si because of larger atomic size.
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