Oxidation state of an atom represents____________________?

Related Mcqs:

1. The oxidation number of central metal atom in [Ni(CO)4] is_________________?

   A. 0
   B. 2
   C. 4
   D. 6

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

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

3. The oxidation state of transition elements is usually _______________________?

   A. variable
   B. constant
   C. single
   D. infinite

4. 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

5. In which compound of Xenon the oxidation state of Xenon is + 6?

   A. XeF4
   B. XeOF4
   C. XeOF2
   D. Na4XeO6

6. The common oxidation state of lanthanides is_________?

   A. +3
   B. +2
   C. +1
   D. +4

   Submitted by: Muhammad Ali Kunbhar

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

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

   Submitted by: Muhammad Ali Kunbhar

8. The oxidation state of cu which are expected to be diamagnetic

   A. Cu+2
   B. Cu+4
   C. Cu+1
   D. Cu+3

   Submitted by: Siddiqullah wazir

9. Keeping in view the size of atom which order is correct one ?

   A. Mg > Sr
   B. Ba > Mg
   C. Lu > Ce
   D. C1 > I

10. In complex compounds the oxidation number is written in___________________?

    A. English
    B. Greek
    C. Roman numeral
    D. Hebrew