MHT CET 2023 Chemistry question

Not in JEE or NEET syllabus

Identify the last step in wet chemical synthesis of nanomaterial

(A)Formation of oxide or alcohol-bridged network
(B)DehydrationCorrect
(C)Aging of the gel
(D)Drying of the gel

Answer: (B)

Solution

In the sol-gel (wet chemical) synthesis of nanomaterials the steps proceed in the order: (i) hydrolysis and polycondensation of the precursor with formation of an oxide- or alcohol-bridged network (the gel), (ii) aging of the gel, (iii) drying of the gel to remove

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Question ID VK-095202