Question

11. (4.5 marks) a) The skeletal structure for the anion, SCP, is given below. Complete three resonance structures of this anion using the templates provided. All resonance structures must have full octets on as many atoms as possible. Possible missing items may include lone pairs and/or multiple bonds. Provide formal charges (unless the charge on an atom is zero). [S-C-P] ? [S-C-P] ? [S-C-P] (1.5 marks) b) Circle the resonance structure above that should be the major contributor to the actual structure of the thiocyanate anion. If more than one structure is equally important, circle them both/all. Provide two reasons below why the structure(s) selected is/are the most important one(s). Reason 1 - Reason 2 -

          11. (4.5 marks) a) The skeletal structure for the anion, SCP, is given below. Complete three resonance
structures of this anion using the templates provided.
All resonance structures must have full octets on as many atoms as possible.
Possible missing items may include lone pairs and/or multiple bonds.
Provide formal charges (unless the charge on an atom is zero).
[S-C-P] ? [S-C-P] ? [S-C-P]
(1.5 marks) b) Circle the resonance structure above that should be the major contributor to the actual
structure of the thiocyanate anion. If more than one structure is equally important, circle them both/all.
Provide two reasons below why the structure(s) selected is/are the most important one(s).
Reason 1 -
Reason 2 -

11. (4.5 marks) a) The skeletal structure for the anion, SCP, is given below. Complete three resonance
structures of this anion using the templates provided.
All resonance structures must have full octets on as many atoms as possible.
Possible missing items may include lone pairs and/or multiple bonds.
Provide formal charges (unless the charge on an atom is zero).
[S-C-P] ? [S-C-P] ? [S-C-P]
(1.5 marks) b) Circle the resonance structure above that should be the major contributor to the actual
structure of the thiocyanate anion. If more than one structure is equally important, circle them both/all.
Provide two reasons below why the structure(s) selected is/are the most important one(s).
Reason 1 -
Reason 2 -

Added by David C.

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