Which one of the following is not an alkali metal ?

Related Mcqs:

1. 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

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

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

3. 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

4. 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

5. The word Alkali means__________________?

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

6. 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

7. Metallic characters of alkali metals_____________________?

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

8. Which of the following is typical transition metal ?

   A. Sc
   B. Y
   C. Cd
   D. Co

9. Magnesium metal does not burn in the vessel containing_______________?

   A. N2
   B. O2
   C. N2 and O2
   D. Ne

10. 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