The repeating structural units in silicone is:

(R_{2} S i O -)

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S i O_{2}

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R - O - S i - O | R -

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(- R_{2} S i - O - O - R)

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Solution

The correct option is C $(R_{2} S i O -)$
The repeating structural unit in silicones is shown in figure.

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Similar questions

R_{3} S i - (O S i R_{2})_{n} - S i R_{3}

Arrange the following elements in the order of their abundance in Earth's crust:

Aluminium - $A l$ , Silicon - $S i$ , Oxygen - $O$ , Iron - $F e$ .

The correct formula of exhausted permuitit is :

$(p) N a_{2} A l_{2} S i_{2} O_{8} . x H_{2} O$

$(q) K_{2} A l_{2} S i_{2} O_{8} . x H_{2} O$

$(r) M g A l_{2} S i_{2} O_{8} . x H_{2} O$

$(s) C a A l_{2} S i_{2} O_{8} . x H_{2} O$

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