CHEM BRAIN

The compound used as an explosive is [Kerala (Engg.) 2002; MP PET 2002; MP PMT 1993]

Which is formed when benzene is heated with chlorine in the presence of sunlight [CPMT 2000; KCET (Med.) 2000; MP PMT 1993; MP PET 2002 AIIMS 1999]

The compound ‘A’ when treated with HNO3 (in presence of H2SO4 ) gives compound ‘B’ which is then reduced with Sn and HCl to aniline. The compound ‘A’ is [MP PET 2002]

Among the following statements on the nitration of aromatic compounds, the false one is [IIT-JEE 1997]

Benzene shows [RPMT 1999]

Nitration of benzene is a [RPMT 1999]

Which of the following would be least reactive towards bromine [NCERT 1981]

Amongst the following, the compound that can be most readily sulphonated is [IIT-JEE 1982; MADT Bihar 1995; KCET 2005]

The compound that is most reactive towards electrophilic nitration is [IIT-JEE 1985; AIIMS 1998; MP PET/PMT 1998]

Which is most readily nitrated [Roorkee 1992]

Most common reactions of benzene (aromatic hydrocarbon) and its derivatives are [DPMT 1984; MP PMT 1989; AFMC 1997; BHU 1996, 98]

Benzene vapour mixed with air when passed over V₂O₅ catalyst at 775K gives [AFMC 1991; CPMT 2001; MP PMT 2003]

The attacking (electrophilic) species in sulphonation of benzene is [RPMT 1997; CPMT 1999, 2002]

Nitration of benzene by nitric acid and sulphuric acid is [MNR 1989; CPMT 1990; BCECE 2005]

Which of the following reactions takes place when a mixture of concentrated HNO₃ and H₂ SO₄ reacts on benzene at 350K [CPMT 1985]

Attacking or reactive or electrophilic species in nitration of benzene is or In the nitration of benzene with concentrated HNO₃ and H₂SO₄ the attack on ring is made by [CBSE PMT 1994; MP PET 1996, 2000; Pb. PMT 1998; BHU 2001; BVP 2004; DCE 2003]

The most reactive compound out of the following is ETEA2018 med 

Which of the following acts as a electrophile in the electrophilic substitution of benzene with bromine MDCAT2018

For Halogenation of benzene which reagent is used MDCAT2017

The reaction of benzene with bromine in the presence of FeBr3 follows the mechanism of _______ reaction MDCAT2017

Which of the following is the powerful Electrophile used to attack on the electrons of benzene ring MDCAT2015

The introduction of NO2 group in the benzene is called nitration. The nitration of benzene takes place when it is heated with a 1:1 mixture of _______ at 50-55^oC MDCAT2010

The substitution of -H group by -NO₂ group in benzene is called MDCAT2011