Question:

When ammonia is heated with cupric oxide, a molecule of ammomia will

Updated On: Jul 12, 2022
  • Gain 3 electrons
  • Lose 3 electrons
  • Gain 2 electrons
  • Lose 2 electrons
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The Correct Option is B

Solution and Explanation

$ {2NH_3 + 3CuO -> N2 + H20 + 3Cu }$ $ {2NH3 -> N_2}$ (O.S. = -3) (O.S. = 0) Thus each N atom (or each $NH_3$ molecule) loses 3 electrons.
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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: