Consider the following statements:(a) R_2SiO | vedclass

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(B) True: $R_2SiO$ is the repeating unit of linear silicones.$(b)$ False: $RSiCl_3$ on hydrolysis followed by dehydration gives cross-linked silicones

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$a, c$ and $d$

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(B) True: $R_2SiO$ is the repeating unit of linear silicones.$(b)$ False: $RSiCl_3$ on hydrolysis followed by dehydration gives cross-linked silicones. For linear silicones,$R_2SiCl_2$ is used.$(c)$ True: Silicones are chemically inert and have high thermal stability,making them useful as heat insulators.$(d)$ True: Silica $(SiO_2)$ reacts with hydrofluoric acid $(HF)$ to form hexafluorosilicic acid: $SiO_2 + 6HF \rightarrow H_2SiF_6 + 2H_2O$.Therefore,the correct statements are $(a), (c),$ and $(d)$.

Consider the following statements:
$(a)$ $R_2SiO$ is the repeating unit of linear silicones.
$(b)$ $RSiCl_3$ on hydrolysis followed by dehydration gives linear silicones.
$(c)$ Silicones can be used as heat insulators.
$(d)$ Silica is soluble in $HF$.
The correct statement$(s)$ is/are:

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Consider the following statements:$(a)$ $R_2SiO$ is the repeating unit of linear silicones.$(b)$ $RSiCl_3$ on hydrolysis followed by dehydration gives linear silicones.$(c)$ Silicones can be used as heat insulators.$(d)$ Silica is soluble in $HF$.The correct statement$(s)$ is/are: