Assertion $(A)$: Silicones are used for water proofing of fabrics.
Reason $(R)$: The repeating unit in silicones is $R_2SiO$.
Reason $(R)$: The repeating unit in silicones is $R_2SiO$.
- A$(A)$ and $(R)$ are correct, but $(R)$ is not the correct explanation of $(A)$
- B$(A)$ and $(R)$ are correct, $(R)$ is the correct explanation of $(A)$
- C$(A)$ is not correct but $(R)$ is correct
- D$(A)$ is correct but $(R)$ is not correct
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$II)$ Stability of dihalides of group $14$ elements increases down the group.
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