Decrease in oxidation number is called__________________?

Related Mcqs:

1. Which has maximum oxidation number ?

   A. N
   B. Cr
   C. S
   D. Mn

2. In K2Cr2O7 the oxidation number of chromium is____________________?

   A. 7
   B. 6
   C. -7
   D. -6

3. Which one of the following element has highest oxidation state in its compounds ?

   A. Cr
   B. Mn
   C. Sn
   D. O

4. Oxidation of primary alcohol gives________________?

   A. ketone
   B. Aldehyde
   C. Alkene then – COOH
   D. Ester

5. 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

6. Sodium is not observed in +2 oxidation state because of its__________________?

   A. high first ionization potential
   B. high second ioniation potential
   C. high ionic radius
   D. high electronegativity

7. The maximum oxidation shown by manages is_________?

   A. +2
   B. +4
   C. +5
   D. +7

   Submitted by: Muhammad Ali Kunbhar

8. Oxidation state +1 for phosphorous is found in___________?

   A. H3PO3
   B. H3PO4
   C. H3PO2
   D. H2P2O7

   Submitted by: Muhammad Ali Kunbhar

9. The product On the oxidation of 2°Alcohol is ________?

   A. Aldehyde
   B. Ketone
   C. Carboxylic acid
   D. Ester

   Submitted by: Aamir khan Hullio

10. The following alcohol does not undergo oxidation is _____________?

    A. 1° alcohol
    B. 2° alcohol
    C. 3° alcohol
    D. 0° alcohol

    Submitted by: Aamir khan Hullio