Question

SiCh 1 1 1 2 sps. BF:CI I 11- 25 28 3. Tryptophan is an essential amino acid that is a biochemical precursor to the neurotransmitters serotonin and melatonin. The Lewis structure of tryptophan is shown. Selected atoms are labeled numerically. Ķ Ķ o T bond N—_.-—.—öz-H н н—с-н -6-o T-bondo Tin D r a . Write the chemical formula of tryptophan Cup b . Determine the total number of pi (xt) bonds in the Lewis structure. Sy W Palluccio

Answer 1

Sigma bonds and lone pairs are considered as electron groups.
If the total number of electron groups around the atom are 2 then it's hybridization is sp. Bond angle is 180°

If the total number of electron groups around the atom are 3 then it's hybridization is sp2. Bond angle is 120°

If the total number of electron groups around the atom are 4 then it's hybridization is sp3. Bond angle is 109°

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