Manufacture of phthalic anhydride uses ______________ as a catalyst ?

Related Mcqs:

1. 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

2. Phthalic anhydride is used____________________?

   A. In making PVC
   B. As plasticisers
   C. In insecticides manufacture
   D. For making nylon-6

3. Phthalic anhydride is produced by the oxidation of _________________?

   A. Naphthalene
   B. Benzene
   C. Toluene
   D. Aniline

4. Phthalic anhydride is made by the ______________________?

   A. Oxidation of naphthalene
   B. Oxidation of benzene
   C. Dehydrogenation of ethyl benzene
   D. None of these

5. Catalyst used in the oxidation of benzene to produce Maleic anhydride is ______________________?

   A. V2O5
   B. Pt
   C. Ni
   D. Cr

6. Starting raw material for the manufacture of Maleic anhydride is___________________?

   A. n-butene
   B. Benzene
   C. Either A. or B.
   D. Neither A. nor B.

7. Catalyst used during the manufacture of ‘Vanaspati Ghee’ is ___________________?

   A. Zinc
   B. Nickel
   C. Platinum
   D. Copper

8. 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

9. Which catalyst is used in the manufacture of ethylene oxide by oxidation of ethylene ?

   A. AgO
   B. Al2O3
   C. ZnCl2
   D. Fe2O3

10. 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