Question:

$ {BCl_3}$ is planar molecule because in this molecule boron is

Updated On: Jul 6, 2022
  • $sp^3$-hybridized
  • $sp^2$-hybridized
  • sp-hybridized
  • $sp^3$ d-hybridized.
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The Correct Option is B

Solution and Explanation

In $ {BCl_3}, B$ is $sp^2$ hybridized which gives a planar triangular structure to $BCl_3$ molecule.
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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: