A. The rupturing of benzene ring
B. Substitution reaction
C. Addition reaction
D. No-reaction
Related Mcqs:
- In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?
A. Hydrogen
B. Oxygen
C. Sulphur
D. OH - 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 - 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 - When aquious bromine is added to aqueous phenol a creamy white ppt is obtained. What does this reaction show ?
A. phenol is unsaturated
B. 2-bromophenol is insoluble in water
C. a hydroxy group makes the benzene ring more susceptible to electrophilic attack
D. acid-base reaction - Bromine can be liberated from KBr solution by the action of _______________?
A. Iodine solution
B. Chlorine
C. NaCl
D. Ki - SO2 reacts with Cl in sunlight to form__________?
A. Sulphur dioxide
B. Sulphuryl chloride
C. Suphanyl chloride
D. All of the aboveSubmitted by: Muhammad Ali Kunbhar
- Phenanthrene is a fused polycyclic compound contains __________ benzene rings ?
A. Two
B. Three
C. Four
D. Five - 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 - 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