Draw a Lewis structure where all non-hydrogen atoms obey the octet rule, all hyd

Question

Draw a Lewis structure where all non-hydrogen atoms obey the octet rule, all hydrogens obey the duet rule and all formal charges are zero for the following:

H2CO

HINT: This structure contains at least one multiple bond (a multiple bond is either a double bond or a triple bond).

(a) Number of double bonds in this molecule?

(b) What is the hybridization of
the carbon?

What is the hybridization of the oxygen?


(c) Number of sigma bonds in this molecule?

(d) Number of pi bonds in this molecule?

(e) Number of lone pairs in this molecule?

Explanation / Answer

(a) Number of double bonds in this molecule? 1 (b) What is the hybridization of the carbon? sp2 What is the hybridization of the oxygen? sp2 --trigonal planar geometry (c) Number of sigma bonds in this molecule? 3 (d) Number of pi bonds in this molecule? 1 (e) Number of lone pairs in this molecule? 2

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