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

Related Mcqs:

1. A elements are named as alkali metals because_______________?

   A. Their oxides are basic
   B. Their oxide and hydroxides are water soluble
   C. Both A & B
   D. They are found in earth

2. Alkali and alkaline earth metals impart colours when heated over burner. It is due to______________?

   A. Smaller electronegativity of alkali metals
   B. Smaller ionic radius of these metals
   C. De-excitation of electrons from higher energy levels to low energy level
   D. Excitation of electrons from low energy levels to higher energy levels

3. First ionization potential of alkaline earth metal is greater than alkali metals because___________________?

   A. They are more reactive
   B. They have greater atomic radii
   C. They have smaller atomic sizes
   D. All

4. Second ionization potential of alkali metals are very high due to_______________?

   A. being s-block elements
   B. inert gas configurations
   C. ns1 electronic configuration
   D. being metals

5. 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

6. O3 reacts with CH2CH2 to form ozonide. On hydrolysis it forms

   A. Ethylene oxide
   B. HCHO
   C. Ethylene glycol
   D. Ethyl alcohol

   Submitted by: Aamir khan Hullio

7. Which of following metals can be displaced by all other metals from its solution ?

   A. Ag
   B. A
   C. Au
   D. Cu

8. Which one of the following is not an alkali metal ?

   A. Francium
   B. Caesium
   C. Rubidium
   D. Radium

9. The word Alkali means__________________?

   A. Base
   B. Basic salt
   C. Ashes
   D. Spirit

10. Metallic characters of alkali metals_____________________?

    A. Increase down the group
    B. Decrease down the group
    C. No regular trend
    D. Remain same