Write the chemical formula for each of the following compounds,and indicate the oxidation state of nitrogen ineach: (a) nitric oxide, (b) hydrazine, (c) potassium cyanide,(d) sodium nitrite, (e) ammonium chloride, (f) lithiumnitride.

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Write the chemical formula for each of the following compounds,
and indicate the oxidation state of nitrogen in
each: (a) nitric oxide, (b) hydrazine, (c) potassium cyanide,
(d) sodium nitrite, (e) ammonium chloride, (f) lithium
nitride.

Expert Solution
Step 1

Solution:    

                   a)  Nitric oxide  ,     NO

                                                              oxidation state of N , x + (-2) = 0

                                                                                                 x-2 =0

                                                                                               x=2

 

     b)  Hydrazine,   N2H4  

                                                  oxidation state of N ,   2 x + 4(1)= 0

                                                                                       2x + 4 = 0

                                                                                        2x = -4

                                                                                        x = -2

                                                                                        

                                                                                       

Step 2

c) Potassium cyanide ,   KCN

                                                               oxidation state of N,  1+2+ x =0

                                                                                                 3+ x= 0

                                                                                                     x = -3

d)  Sodium nitrite ,   NaNO2

                                                       oxidation state of N,  1+ x + 2( -2) = 0

                                                                                          1-4+ x = 0

                                                                                            x = 3

 

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