Multiple choice

Structure of ethylamine is ______

  1. Square

  2. Pyramidal

  3. Triangular

  4. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

Ethylamine (CH3CH2NH2) has a pyramidal structure around the nitrogen atom due to sp3 hybridization with three bond pairs and one lone pair, similar to ammonia (NH3). Square planar geometry occurs in some d8 metal complexes. Triangular planar geometry occurs in sp2 hybridized molecules like boron trifluoride. Ethylamine's nitrogen is definitely not square or triangular planar.

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