Specify the local electron geometries about the atoms labelled a-d . Unshared el

Question

Specify the local electron geometries about the atoms labelled a-d. Unshared electron pairs affect local geometry and are included in the structural formula.
For each atom enter one of the following:
tetrahedral, square planar, trigonal planar, trigonal pyramidal, or linear.

a-

b-

c-

d-

Having some trouble with this. Please explain why you chose your answers! Thanks!

Specify the local electron geometries about the atoms labelled a-d. Unshared electron pairs affect local geometry and are included in the structural formula. For each atom enter one of the following: tetrahedral, square planar, trigonal planar, trigonal pyramidal, or linear.

Explanation / Answer

a)

N has 3 bond pair and 1 lone pair

So, this is sp3 hybridised with trigonal pyramidal geometry

Answer: trigonal pyramidal

b)

C has 4 bond pair

So, this is sp3 hybridised with tetrahedral

Answer: tetrahedral

c)

C has 2 bond pair

So, this is sp hybridised with linear

Answer: linear

d)

C has 2 bond pair

So, this is sp hybridised with linear

Answer: linear

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