A. AgO
B. Al2O3
C. ZnCl2
D. Fe2O3
Related Mcqs:
- Ethylene oxide is produced by oxidation of ethylene in presence of AgO catalyst at __________________?
A. 1 atm & 100°C
B. 5 atm & 275°C
C. 100 atm & 500°C
D. 50 atm & 1000°C - Catalyst used in the oxidation of benzene to produce Maleic anhydride is ______________________?
A. V2O5
B. Pt
C. Ni
D. Cr - Oxidation of ortho-xylene in presence of ______________ catalyst is done to produce phthalic anhydride on commercial scale ?
A. Nickel
B. Vanadium
C. Alumina
D. Iron - The catalyst used in the production of elemental sulphur from H2S (by oxidation-reduction) is _____________________?
A. Alumina
B. Silica gel
C. Platinum
D. Nickel - Platinum catalyst used in the earlier days of sulphuric acid manufacture by contact process suffers from the drawback like_________________?
A. High cost
B. Fragile nature
C. Easy poisoning tendency
D. All A, B. and C. - The catalyst used in the manufacture of DDT (from chloral and chlorobenzene) is _________________?
A. Dilute H2SO4
B. Oleum
C. Ultraviolet light
D. None of these - Which of the following may be viewed as a catalyst in the manufacture of soda ash by Solvay process ?
A. NH3
B. NaCl
C. CaO
D. Coke - In the manufacture of H2SO4, vanadium catalyst as compared to platinum catalyst___________________?
A. Gives higher conversion efficiency
B. Has a longer life and is not poisoned by arsenic
C. Handles lower SO2 content gas (7 -10% SO2), thus increasing the capital cost of the plant
D. All A , B. and C. - Manufacture of phthalic anhydride uses ______________ as a catalyst ?
A. Ni
B. Cr
C. V2O5
D. Al2O3 - Catalyst used in the manufacture of sulphuric acid by chamber & contact processes are respectively ?
A. V2O5 & Cr2O3.
B. Oxides of nitrogen & Cr2O3
C. V2O5 on a porous carrier & oxides of nitrogen
D. Oxides of nitrogen & V2O5 on a porous carrier
