A) \[{{x}^{2}}+{{y}^{2}}={{a}^{2}}\]
B) \[{{x}^{2}}+{{y}^{2}}={{a}^{-1}}\]
C) \[f:R\to A\]
D) \[f(x)=\frac{{{x}^{2}}}{{{x}^{2}}+1}\]
Correct Answer: A
Solution :
In Friedel-Craft's reaction, alkyl substituted benzenes are prepared by the reaction between benzene and alkyl halide in the presence of a Lewis acid\[4.0\times {{10}^{-5}}{{/}^{o}}C\].You need to login to perform this action.
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