Ethanal is prepared industrially by air oxidation of ethylene using palladium chloride as catalyst and _________ as promoter?

Related Mcqs:

1. What will be the PH of  0.01M ammonium chloride solution containing 10 mol per liter of ammonium chloride (pkb=4.76)?

   A. 5.24
   B. 6.24
   C. 7.24
   D. 8.24 

   Submitted by: Said wali shah

2. Ammonia may be prepared by heating ammonium chloride with_______________?

   A. Water
   B. NaCl
   C. Aqueous sodium hydroxide
   D. H2SO4

3. 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

4. For industrial preparation of CH3CHO catalytic promoter is_________________?

   A. PdCl2
   B. Cu2Cl2
   C. CuCl2
   D. PbCl2

5. Hydrogen Gas can be prepared by thermal decomposition of Methane in the absence of Air at above____

   A. 500⁰C
   B. 700⁰C
   C. 900⁰C
   D. 1300⁰C

   Submitted by: Aamir khan Hullio

6. Incomplete oxidation of methane in the limited supply of air forms ?

   A. CO2 and H2O
   B. CH3OH
   C. CO + H2 + C
   D. CO + H2O + C

7. Ethylene epoxide treated with Grignards reagent followed by acid hydrolysis yield __________________?

   A. primary alcohol
   B. secondary alcohol
   C. tertiary alcohol
   D. dihydric alcohol

8. The IUPAC name of ethylene oxide is__________?

   A. Epoxy methane
   B. Oxoethene
   C. Methoxymethane
   D. Oxirane

   Submitted by: Muhammad Ali Kunbhar

9. Ethylene diammine is ligand________?

   A. mono dentate
   B. Bi dentate
   C. tri dentate
   D. Poly dentate

   Submitted by: Muhammad Ali Kunbhar

10. How many moles are in 22.2 grams of Calcium chloride, CaCl2?

    A. 0.2 moles
    B. 0.3 moles
    C. 0.4 moles
    D. 0.5 moles

    Submitted by: Muhammad Ali Kunbhar