Assertion : $p-O_2N. C_6H_4.COCH_3$ is prepared by Friedel Craft's acylation of nitrobenzene.
Reason : Nitrobenzene easily undergoes electrophilic substitution reaction
A
If both Assertion and Reason are correct and the Reason is a correct explanation of the Assertion.
B
If both Assertion and Reason are correct but Reason is not a correct explanation of the Assertion.
C
If the Assertion is correct but Reason is incorrect.
D
If both the Assertion and Reason are incorrect.
AIIMS 2005, Medium
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D
If both the Assertion and Reason are incorrect.
d Nitrobenzene undergoes electrophilic substitution reaction with difficulty because $NO_2$ group is electron withdrawing and therefore, it deactivates the benzene ring.
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Fluorination of an aromatic ring is easily accomplished by treating a diazonium salt with $HBF_4$. Which of the following conditions is correct about this reaction?