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JEE Mains · Chemistry · STD 11 - 4. Chemical bonding and molecular structure

Given below are two statements:
Statement-\(I\): Since fluorine is more electronegative than nitrogen, the net dipole moment of \(\mathrm{NF}_3\) is greater than \(\mathrm{NH}_3\).
Statement-\(II\): In \(\mathrm{NH}_3\), the orbital dipole due to lone pair and the dipole moment of \(\mathrm{NH}\) bonds are in opposite direction, but in \(\mathrm{NF}_3\) the orbital dipole due to lone pair and dipole moments of \(N-F\) bonds are in same direction.
In the light of the above statements. Choose the most appropriate from the options given below.

  1. A Statement \(I\) is true but Statement \(II\) is false.
  2. B Both Statement \(I\) and Statement \(II\) are false.
  3. C Both statement \(I\) and Statement \(II\) is are true.
  4. D Statement \(I\) is false but Statement \(II\) is are true.
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Answer & Solution

Correct Answer

(B) Both Statement \(I\) and Statement \(II\) are false.

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