Question:

Alumina is insoluble in water because

Updated On: Jul 6, 2022
  • it is a covalent compound
  • it has high lattice energy and low heat of hydration
  • it has low lattice energy and high heat of hydration
  • $\ce{Al^{3+}}$ and $\ce{O^{2-}}$ ions are not excessively hydrated.
Hide Solution
collegedunia
Verified By Collegedunia

The Correct Option is B

Solution and Explanation

$ {Al_2O_3}$ has high lattice energy and low heat of hydration. It is therefore, insoluble in water.
Was this answer helpful?
0
0

Top Questions on p -Block Elements

View More Questions

Concepts Used:

P-Block Elements

  • P block elements are those in which the last electron enters any of the three p-orbitals of their respective shells. Since a p-subshell has three degenerate p-orbitals each of which can accommodate two electrons, therefore in all there are six groups of p-block elements.
  • P block elements are shiny and usually a good conductor of electricity and heat as they have a tendency to lose an electron. You will find some amazing properties of elements in a P-block element like gallium. It’s a metal that can melt in the palm of your hand. Silicon is also one of the most important metalloids of the p-block group as it is an important component of glass.

P block elements consist of: