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.Management Sciences
Category: Aromatic Hydrocarbons
Which compound form benzoic acid on oxidation with acidified KMnO4 or K2Cr2O7 ?
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A. Toluene
B. Ethyl benzene
C. n-propyl benzene
D. All
The hydrolysis of Benzenetrizonide will yield three moles of____________________?
A. Glyoxime
B. Benzaldehyde
C. Glycol
D. Glyoxal
Mixture of catalysts Cr2O3 + A?2O3 + SiO2 at 500?C are used when benzene is prepared from_______________?
A. acetylene
B. N-hexane
C. Benzene sulphonic acid
D. Sodium benzoate
Benzene is heated in air with V2O5 at 450°C it undergoes________________?
A. Substitution reaction
B. Addition reaction
C. Elimination reaction
D. Oxidation reaction
The resonance energy of benzene is__________________?
A. 150.5 kJ/mol
B. 250.5 kJ/mol
C. 150.5 Cal/mol
D. 250.5 Cal/mol
How many moles of H2 are added up when benzene is heated with hydrogen in the presence of platinum ?
A. Two
B. Three
C. Four
D. Six
By which method the molecular mass of benzene was determined as 78.108 ?
A. Specific gravity method
B. Vapour density method
C. X-ray diffraction method
D. Distillation methos
The preparation of benzene from acetylene can also be said as_________________?
A. Oxidation
B. Polymerization
C. Dehydration
D. Condensation
Aniline is a derivative of benzene which contains__________________?
A. Imino group
B. Amino group
C. Amide group
D. Nitro group
Replacement of hydrogen of benzene by alkyl group in the presence of alkyl halide & aluminum chloride is known as__________________?
A. Dows process
B. Friedel & Craft acylation
C. Friedel & Craft alkylation
D. Clemmenson reduction
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