Question:
Identify sequential reactions involved in Sol-Gel process.
Identify sequential reactions involved in Sol-Gel process.
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In the sol-gel process the precursor first reacts with water and then the products join together.
Updated On: Nov 13, 2026
- Poly condensation and hydrolysis
- Hydrolysis and poly condensation
- Poly condensation and oxidation
- Oxidation and hydrolysis
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The Correct Option is B
Solution and Explanation
Step 1: Understanding the Concept
The sol-gel process turns a molecular precursor (a metal alkoxide) into a gel network.
Step 2: Steps
Step 1 is hydrolysis, in which the precursor reacts with water to give hydroxyl groups.
Step 2 is polycondensation, in which these hydroxyl groups join to form a network.
Step 3: Compare the options
The order is hydrolysis then poly condensation, the second option.
Final Answer:
Hydrolysis is followed by poly condensation. \[ \boxed{\text{(B) }\text{Hydrolysis and poly condensation}} \]
The sol-gel process turns a molecular precursor (a metal alkoxide) into a gel network.
Step 2: Steps
Step 1 is hydrolysis, in which the precursor reacts with water to give hydroxyl groups.
Step 2 is polycondensation, in which these hydroxyl groups join to form a network.
Step 3: Compare the options
The order is hydrolysis then poly condensation, the second option.
Final Answer:
Hydrolysis is followed by poly condensation. \[ \boxed{\text{(B) }\text{Hydrolysis and poly condensation}} \]
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