A. Cr2O3 + A2O3 + SiO2
B. Raney nickel
C. Organo-nickel
D. Ni 250 – 300°C
Related Mcqs:
- The preparation of benzene from acetylene can also be said as_________________?
A. Oxidation
B. Polymerization
C. Dehydration
D. Condensation - In benzene sulphonic acid the sulphonic group is attached with benzene ring through ___________________?
A. Hydrogen
B. Oxygen
C. Sulphur
D. OH - 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 - Ethanal is prepared industrially by air oxidation of ethylene using palladium chloride as catalyst and _________ as promoter?
A. PdCl2
B. Cu2Cl2
C. CuCl2
D. PbCl2 - 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 - Michael Faraday discovered benzene in the gas which was produced by destructive distillation of vegetable oil that is done in________________?
A. The presence of Oxygen
B. The presence of Hydrogen
C. The absence of Oxygen
D. The presence of excessive Oxygen - 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 - 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 - Aniline is a derivative of benzene which contains__________________?
A. Imino group
B. Amino group
C. Amide group
D. Nitro group - Benzene does not undergo___________________?
A. Substitution reaction
B. Addition reaction
C. Polymerization reactions
D. Oxidation reactions
