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Q.

The following are some statements about oxides of VA group elements
I) N2O molecule is linear 
II) NO2 molecule is angular
III) N2O5 molecule is angular
The correct combination is

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a

I & III are correct

b

All are correct

c

II & III are correct

d

I & II are correct

answer is D.

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Detailed Solution

The correct combination of statements about oxides of VA group elements is:

I) N₂O molecule is linear — True
II) NO₂ molecule is angular — True
III) N₂O₅ molecule is angular — False

Explanation:

  • N₂O (Nitrous oxide): It is a linear molecule.
  • NO₂ (Nitrogen dioxide): Bent/Angular shape due to one unpaired electron on N causing asymmetry.
  • N₂O₅ (Dinitrogen pentoxide): Has a more complex structure, but overall it is not angular; it has a planar or near planar arrangement.

So, the correct combination is I and II only.

 VA group elements
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