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Which of the following is or are currect secuence? NH3>PH3>AsH3>SbH3 (Bond Angle) SbH3>NH3>AsH3>PH3 (Boiling Point) NH3>PH3>AsH3>SbH3 (Dipole Moment) NH3>PH3>AsH3>SbH3 (Basic Nature)

Which of the following is or are currect secuence?
  1. NH3>PH3>AsH3>SbH3  (Bond Angle)
  2. SbH3>NH3>AsH3>PH3  (Boiling Point)
  3. NH3>PH3>AsH3>SbH3  (Dipole Moment)
  4. NH3>PH3>AsH3>SbH3  (Basic Nature)

Grade:12th pass

1 Answers

Vikas TU
14149 Points
7 years ago
Bond angle depends on first geometical structure then lone pair lone pair repulsion.
Hence more would be the lone pair more would be the repulsion and  decrease in lone pair.
And thus down the group Bond angle slightly ecreases.
First one should be true.
 

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