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

Related Mcqs:

1. Many properties of an element and its compounds can be predicted from the position of the element in the periodic table. What property could not be predicted in this way ?

   A. The nature of its oxides
   B. The charge on its ions
   C. The formula of its oxide
   D. Its number of isotopes

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

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

3. Oxidation state of an atom represents____________________?

   A. Number of electrons gained
   B. Number of electrons lost
   C. Apparent charge in compound
   D. Its vacancies

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

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

5. 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

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

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

7. The common oxidation state of lanthanides is_________?

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

   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 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

10. Which of the following compounds is not soluble in HNO3___?

    A. CuS
    B. CdS
    C. PbS
    D. AgCl

    Submitted by: Muhammad Ali Kunbhar