Tag: periodic trends in chemical properties

Questions Related to periodic trends in chemical properties

Which of the following alkali metal(s) form complex hydrides?

  1. Li

  2. K

  3. Na

  4. Rb


Correct Option: A,C
Explanation:

Lithium and sodium form complex hydrides such as lithium aluminium hydride and sodium borohydride.

Which of the following reacts most vigorously with water?

  1. Alkali metal

  2. Alkaline earth metal

  3. Transition metal

  4. Halogen

  5. Noble gas


Correct Option: A
Explanation:

Answer(A)
Alkali metals react most vigorously with water.