Statement - I: Silicones are very inert polymers.
Statement - II: Both Si-O and Si-C bond energies are very high.
Read the above statements and choose the correct option regarding it.

Statement-I is true, Statement-II is true ; Statement-II is correct explanation for Statement-I.

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Statement-I is true, Statement-II is true ; Statement-II is not a correct explanation for Statement-I.

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Statement-I is true, Statement-II is false.

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Statement-I is false, Statement-II is true.

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Solution

The correct option is A Statement-I is true, Statement-II is true ; Statement-II is correct explanation for Statement-I.
Option (A) is correct.
Silicones are very inert polymers.Both $S i - O$ and $S i - C$ bond energies are very high.
The bond energy of Si-O bond is 502 kJ/mol.
The chemical inertness is also due to stable silica like arrangement of Si-O-Si-O-Si.
Silicones are organosilicon polymers containing Si-O-Si linkages.

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