Navigate

For alkali metals, which one of the following trends is incorrect

For alkali metals, which one of the following trends is incorrect

Options

(a) Hydration energy: Li > Na > K > Rb
(b) Ionization energy: Li > Na > K > Rb
(c) Density: Li (d) Atomic size: Li

Correct Answer:

Density: LiExplanation:

Density gradually increases on moving down from Li to Cs. Potassium is, however, lighter than sodium. The abnormal value of potassium is due to unusual increase in atomic size, i.e., atomic volume.

KA2010
admin:

Related Questions

  1. A sample of CaCO₃ is 50% pure. On heating 1.12 L of CO₂ at STP is obtained
  2. Which of the following isomeric alcohols react fastest with HCL
  3. KMnO₄ acts as an oxidising agent in the netural medium and gets reduced to MnO₂.
  4. An example of redox reaction
  5. Variable valency in general, is exhibited by