1. Tardigrade
  2. Question
  3. Chemistry
  4. Assertion The two lobes of a p-orbital have opposite sign. Reason The two lobes of a p-orbital lie on the opposite side of the nucleus.

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Q. Assertion The two lobes of a p-orbital have opposite sign. Reason The two lobes of a p-orbital lie on the opposite side of the nucleus.

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Solution:

The sign of the wave function for p-electron changes as we go from one side of the nucleus to the opposite side. Thus, the two lobes of a p-orbital have opposite signs.