A. Heating sod. Salt of Benzoic acid with soda lime
B. Distilling phenol with Zn dust
C. Chlorobenzene with NaOH at 360°C & 150atm.
D. Hydrolysis of benzene sulphonic acid with super heated steam
Related Mcqs:
- In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?
A. Hydrogen
B. Oxygen
C. Sulphur
D. OH - When benzene is substituted by halogens only which one of the following halogens only which one of the following halogens is given the number one position in the ring while writing the name of compound ?
A. Bromine
B. Chlorine
C. Fluorine
D. Iodine - Which one of the following statement is not correct about benzene ?
A. On hydrogenation 208 KJ/mole is liberated
B. C-H bond length in benzene is 1.09 A?
C. Molecular mass of benzene is 78.108
D. Resonance energy of benzene is 150.5 K Cal/mole - Phenanthrene is a fused polycyclic compound contains __________ benzene rings ?
A. Two
B. Three
C. Four
D. Five - 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 - What catalyst is employed when benzene is prepared from acetylene at 70°C?
A. Cr2O3 + A2O3 + SiO2
B. Raney nickel
C. Organo-nickel
D. Ni 250 – 300°C - Reacting bromine with benzene in the presence of sunlight will result in_______________?
A. The rupturing of benzene ring
B. Substitution reaction
C. Addition reaction
D. No-reaction - 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 - 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 preparation of benzene from acetylene can also be said as_________________?
A. Oxidation
B. Polymerization
C. Dehydration
D. Condensation
