Which Oxide of Manganese is amphoteric?

Related Mcqs:

1. Amphoteric exides are those which possess ____________ properties?

   A. Acidic
   B. Basic
   C. Acidic and basic
   D. Neutral and acidic

2. Consider the following reaction- 2KCIO3 + H2C2O4 + H2SO4 ? K2SO4 + 2H2O + 2CO2 + Oxide Which oxide of chlorine is produced in the above reaction ?

   A. Cl2O
   B. ClO2
   C. Cl2O6
   D. Cl2O7

3. moles of each aluminium and oxygen react with each other to produce aluminium oxide. The amount of product formed is______________________?

   A. 0.18 mole
   B. 0.27 mole
   C. 0.24 mole
   D. 0.09 mole

4. The compound which is added to leaded gasoline to save engine from lead oxide and lead sulphate deposits is__________________?

   A. Ethylene iodide
   B. Ethylene bromide
   C. Ethylene chloride
   D. Ethylene fluoride

5. Which one of the following alkali metals forms only normal oxide when it reacts with O2 ?

   A. Lithium
   B. Sodium
   C. Potassium
   D. Rubidium

6. Aluminium oxide is_________________?

   A. Acidic oxide
   B. Basic oxide
   C. Amphoteric oxide
   D. It does not exists

7. Which is the paramagnetic oxide of chlorine ?

   A. Cl2O7
   B. Cl2O6
   C. ClO2
   D. all

8. The IUPAC name of ethylene oxide is__________?

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

   Submitted by: Muhammad Ali Kunbhar

9. A brivalent metal has the equivalent weighr of 12. The molecular weight to its oxide will be_______?

   A. 24
   B. 32
   C. 36
   D. 40

   Submitted by: Muhammad Ali Kunbhar

10. Which of the following have their outer most shell complete in atomic form ?

    A. Noble gases
    B. Alkali metals
    C. Coinage metals
    D. Gun metals