8). For which logic gate the following statement is true The output is low, if and only if all inputs are low
(a) AND (b) NOR (c) NAND (d) OR Ans : (d) OR
Write a note on Kolbe reaction.
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Conversion of phenol to salicylic acid is called as kolbe's Reaction. In this reaction phenol is treated with NaoH and we get sodium phenoxide. And when sodium phenoxide is treated with co2 at 398 K under the pressure of 6 atm. We get sodium salicylate and when sodium salicylate reacts with h3o+ it gives salicylic acid.
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