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WorksheetsReview of Gen Chem
Total questions: 14
Worksheet time: 15mins
Draw an acceptable Lewis structure for dihydroxyacetone, (HOCH2)2CO, an ingredient in sunless tanning products, such that ALL atoms have a zero formal charge. Assume the atoms are arranged as drawn.
Predict the geometry around C #1
linear
trigonal planar
tetrahedral
bent
Predict the geometry around N #2
linear
tetrahedral
trigonal planar
trigonal pyramidal
Predict the geometry around C #3
linear
trigonal planar
tetrahedral
bent
Predict the geometry around C #4
tetrahedral
trigonal planar
trigonal pyramidal
linear
Predict the geometry around O #5
linear
bent
tetrahedral
trigonal planar
Label the polar bonds around C3 using the symbols δ+ and δ–.
Predict the hybridization around C #1
sp
sp2
sp3
p
Predict the hybridization around N #2
sp
sp2
sp3
p
Predict the hybridization around C #3
sp
sp2
sp3
p
Predict the hybridization around C #4
sp
sp2
sp3
p
Predict the hybridization around O #5
sp
sp2
sp3
p
Indicate the formal charges on the Lewis structure below
The given Lewis structure of HCNO has ___ sigma bonds and ___ pi bonds.
3 sigma
1 pi
4 sigma
0 pi
2 sigma
3 pi
3 sigma
2 pi
