91Ó°ÊÓ

The treatment of benzene with isobatene in the presence of sulphuric acid gives: [AIIMS 2003] (a) isobutyl benzene (b) terf-butyl benzene (c) \(n\)-butyl benzene (d) no reaction

Nitrobenzene gives N-phenylhydroxylamine by reduction with: [AlIMS 2003] (a) \(\mathrm{Sn} / \mathrm{HCl}\) (b) \(\mathrm{H}_{2} / \mathrm{Pd}-\mathrm{C}\) (c) \(\mathrm{Zn} / \mathrm{NaOH}\) (d) \(\mathrm{Zn} / \mathrm{NH}_{4} \mathrm{Cl}\)

Among the following, the one which reacts most readily with ethanol is: [AI1MA 2004] (a) \(p\)-nitrobenzyl bromide (b) \(p\)-chlorobenzyl bromide (c) \(p\)-methoxybenzyl bromide (d) \(p\)-methylbenzyl bromide

Aromatic nitriles (ArCN) are not prepared by reaction: |AIIMS 2004] (a) \(\mathrm{Ar} X+\mathrm{KCN}\) (b) \(\mathrm{ArN}_{2}^{*}+\mathrm{CuCN}\) (c) \(\mathrm{ArCONH}_{3}+\mathrm{P}_{2} \mathrm{O}_{5}\) (d) \(\mathrm{ArCONH}_{2}+\mathrm{SOCl}_{2}\)

The functional group present in cresol is: [BHU 1996] (a) alcoholic - OH (b) phenolic \(-\mathrm{OH}\) (c) carbonyl \(>\mathrm{C}=\mathrm{O}\) (d) carboxylic \(-\mathrm{COOH}\)

Which one of the following statements is correct? (a) phenol is more acidic than carbonic acid (b) phenol is less acidic than ethyl alcohol (c) phenol is more acidic than ethanol (d) phenol is more acidic than acetic acid

Benzaldehyde and alcohol KCN reacts to produce: (a) ethyl benzoate (b) benzyl alcohol (c) benzoin (d) benzyl benzoate

Nitrobenzene and hydrogen in presence of zinc combines to form: |BHU 1999] (a) azobenzene (b) bertene (c) azoxybenzene (d) aniline

Phenol is more acidic than alcohol because: (a) phenol is more soluble in polar solvents (b) alcohol does not lose hydrogen atom (c) phenoxide ion is stabilised by resonance (d) phenoxide ion does not exhibit resonance

Chemically aspirin is known as: (a) salicylic acid (b) salicyaldehyde (c) 2 -acetoxybenzoic acid (d) phenyl salicylate