A. Homogeneous catalysis
B. Heterogeneous catalysis
C. Catalysis
D. Ea
Related Mcqs:
- 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 - In rate expression the concentration of reactants is negative. It shows_______________?
A. Concentration of reactant does not change
B. Concentration of product increases
C. Concentration of reactant decreases
D. Concentration of reactant increases - Rate of reaction when concentration of reactants are taken as unity is called_________________?
A. Arrhenius constant
B. Molecularity
C. Specific rate constant
D. Ideal rate constant - At start of reaction the concentration of reactants is_______________?
A. high
B. low
C. according to Kc
D. constant - Which one of the following reactants will be required to form straight chain alcohol by using Grignard reagent________________?
A. formaldehyde
B. ketone
C. ethylene epoxide
D. both A & C - The technique used to separate components of mixture in solid phase ?
A. Crystallization
B. Filtration
C. Sublimation
D. Solvent extraction - The rectified spirit is________________?
A. 12% alcohol
B. 90% alcohol
C. 95% alcohol
D. 100% alcohol - The mass of one mole of electron is________________?
A. 1.008
B. 0.55
C. 0.184
D. 1.637 - Estimation of amounts of different components in a sample is________________?
A. Quantitative analysis
B. Qualitative analysis
C. Stochiometery
D. Physical chemistry - When phenol is heated with concentrated nitric acid the product is________________?
A. Picric acid
B. o-nitrophenol
C. 1 3 5 -trinitro benzene
D. p-nitrophenol
