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Mdcat-past-papers Quiz

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4081. The substitution of a ‘–H’ by ‘–NO₂’ group in benzene is called:



4082. The introduction of R–C+ group in benzene is called:



4083. The reaction that occurs when benzene reacts with isopropyl chloride in the presence of AlCl₃:



4084. The final product formed when benzene is subjected to alkylation, nitration, and then oxidation:



4085. Which of the following on oxidation produces maleic anhydride?



4086. Which of the following is not oxidized by any oxidizing agent?



4087. Benzene is prepared in the laboratory from sodium benzoate in the presence of:



4088. Which of the following will not give substitution reaction?



4089. The common name of 1,3-dihydroxy benzene is:



4090. Resonance energy of benzene is:



4091. The electrophile considered as the active agent in the nitration of benzene is:



4092. What will be the product when phenol reacts with concentrated HNO₃?



4093. Isopropyl benzene is also called:



4094. Greater the resonance energy of a molecule?



4095. Acetophenone can be formed by which of the following reaction of benzene?



4096. When CH₃ is attached with the benzene ring, it makes the ring:



4097. The type of reactions not given by benzene readily:



4098. Hybridization of benzene is:



4099. Electrophile in sulphonation of benzene is:



4100. Benzene can be formed from phenol in which of the following reactions?



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