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Question: Answered & Verified by Expert
Match the following and choose the correct code.
\begin{array}{llll}
\hline & Material & & Application \\
\hline (A) & Silicones & (i) & As a catalyst \\
\hline & & (ii) & Greases \\
\hline (B) & Zeolites & (iii) & In surgical implants \\
\hline & & (iv) & As ion exchangers \\
\hline
\end{array}
Chemistryp Block Elements (Group 13 & 14)AP EAMCETAP EAMCET 2021 (25 Aug Shift 2)
Options:
  • A $\begin{array}{cccc}\text { A } & \text { A } & \text { B } & \text { B } \\ \text { (ii) } & \text { (iii) } & \text { (i) } & \text { (iv) }\end{array}$
  • B $\begin{array}{cccc}\text { A } & \text { A } & \text { B } & \text { B } \\ \text { (i) } & \text { (iii) } & \text { (ii) } & \text { (iv) }\end{array}$
  • C $\begin{array}{cccc}\text { A } & \text { A } & \text { B } & \text { B } \\ \text { (ii) } & \text { (iv) } & \text { (i) } & \text { (iii) }\end{array}$
  • D $\begin{array}{cccc}\text { A } & \text { A } & \text { B } & \text { B } \\ \text { (i) } & \text { (iv) } & \text { (ii) } & \text { (iii) }\end{array}$
Solution:
1598 Upvotes Verified Answer
The correct answer is: $\begin{array}{cccc}\text { A } & \text { A } & \text { B } & \text { B } \\ \text { (ii) } & \text { (iii) } & \text { (i) } & \text { (iv) }\end{array}$
Greases i.e. lubricant are generally prepared from silicones. Silicone greases are generally thickened with silica. It is silicone oil based with inert filters silicones is a polymer that includes silicon in its monomeric molecule. Silicon implants are inert and resist tissue in growth instead they become surrounded by a fibrous capsule.

Zeolites are extremely useful as a catalyst for several important reactions involving organic molecule. e.g. ZSM-5.

Ion exchanger is used extensively in small water system. Zeolite exchanger one ion from the water being treated for another ion that is in the resin.
Hence, (A) Silicones $\rightarrow$ (ii) Greases and (iii) In surgical implants.
(B) Zeolites $\rightarrow$ (i) Catalyst (iv) As ion exchanger i.e. correct order is (A-ii), (A-iii), (B-i), (B-iv).

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