Q.19 The species responsible for nitration and sulphonation by nitric acid, conc. H2SO4 and fuming H2SO4 are -
Q.20 If the mixture of the following four aromatic compounds on oxidation by strong oxidising agent gives -
Q.23 Which combination is mismatched –
Q.24 When toluene is oxidised with chromyl chloride the product formed is benzaldehyde. The reaction is commonly known as -
Q.25 What is the end product which is obtained on nitration of toluene ?
Q.26 Ozonolysis of toluene gives -
Q.3 Which of the following can be chlorinated most easily in the presence of AlCl3–
Q.5 T.N.T. on explosion gives –
Q.9 Which of the following statements is correct –
Q.10 Etard reaction in the following is –
Q.11 T.N.T. is –
Q.12 Which of the following is o – and p – directing –
Q.13 The highest yield of m– product is possible by the electrophilic substitution of the following –
Q.14 For explosion purpose T.N.T. is mixed with which of the following –
Q.15 Which of the following electrophilic substitution reaction is fastest –
Q.16 Bromination of toluene gives -
Q.17 Toluene when heated with a mixture of fuming HNO3 and fuming H2SO4 to 110o for two hours, gives -
Q.18 Which of the following is the most reactive towards ring nitration ?
Q.19 The reaction of toluene with chlorine in presene of ferric chloride gives predominantly-
Q.20 Toluene when refluxed with Br2 in presence of sunlight mainly gives -
Q.21 A reaction involving chlorobenzene and chloromethane and sodium in dry ether to form toluene is commonly known as -
Q.22 When n-heptane vapours are passed over Pt/Al2O3 at 500oC, the compound formed is-
Q.24 When chlorine is passed in cold toluene in the presence of iodine, the product obtianed is -
Q.25 When benzene is treated with (CH3) 3CCOCl in presence of anhydrous AlCl3 the product obtained is -
Q.1 The reaction of toluene with chlorine in the presence of ferric chloride gives predominantly–
Q.3 Anhydrous AlCl3 is used as a catalyst in the Friedal-Crafts reaction because it is–
Q.6 Which of the following is formed as the major product when toluene (excess) reacts with CH3Cl at 80oC in the presence of AlCl3 ?
Q.7 3-Chloro-4-methylbenzenesulphonic acid reacts with superheated steam to give–
Q.12 In Friedel-crafts reaction an hydrous AlCl3 works as -
Q.1 The reaction of toluene with Cl2 in presence of FeCl3 gives predominantly-
Q.2 Toluene is nitrated and the resulting product is reduced with tin and hydrochloric acid. The product so obtained is diazotised and then heated with cuprous bromide. The reaction mixture so formed contains -
Q.1 The chlorination of toluene in presence of fer- ric chloride gives predominantly -
Q.2 Chlorination of toluene in the presence of light and heat followed by treatment with aqueous NaOH gives -
Q.3 Benzyl chloride (C6H5CH2Cl) can be prepared from toluene by chlorination with -
Q.4 A new C – C bond is formed in -