Question

represent the following compounds using stock notation 1)Cu2o 2) Haucl4 3)Mn2o7 4) Hgcl2. ?​

Answer 1

Answer:

Cu2o is the answer

Explanation:

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Answer 2

•Cu2O

consider oxidation state of Cu as x

oxidation state of O is -2

so,

x(2)+ -2( 1 ) =0

2x-2=0

2x=+2

x=+2/2

x=+1

Stock notation is Cu2( I )O

•HAuCl4

Take O.S of Au as x

O.S of H is +1

O.S of cl is -1

(+1)1+ x + (-1)4=0

+1 + x -4=0

x-3=0

x=+3

stock notation is HAu(III)Cl4

•Mn2O7

Take O.S of Mn as x

O.S of O is -2

x(2)+ -2×7=0

2x-14=0

2x=+14

x=+14/2

x=+7

Stock notation is Mn2(VII)O7

•HgCl2

consider O.S of HG as x

O.S of Cl is -1

x+(-1)2=0

x-2=0

x=+2

Stock notation is Hg(II)Cl2.