Problem: Using Lewis formulas, assign oxidation states to the atoms ina) H2CO (g)H =C =O =b) CH3OH (l)C =H =O =H =    (last H)

FREE Expert Solution

a) H2CO


Step 1: Calculate total number of electrons:

            Group            Valenceelectrons

H         1A                   2 x 1 e- = 2 e-

C         4A                   1 x 4 e- = 4 e-

O         6A                   1 x 6 e- =6 e-

                          Total:  12 e-

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Problem Details

Using Lewis formulas, assign oxidation states to the atoms in

a) H2CO (g)

H =

C =

O =

b) CH3OH (l)

C =

H =

O =

H =    (last H)