Question

23. The Stock notation is used to specify the (A) oxidation number of metal (B) coordination number of metal (C) mass number of metal (D) atomic number of metal Choose the CORRECT stock notation fo chromium(III) oxide. (A) Cr2(III)O4 (B) Cr2(III)O (C) Cr2(III)O2 (D) Cr2(III)O O3 1. Identify the INCORRECT stock notation from following ​

Answer 1

Answer:

A=iron chain B don't no C don't no

Answer 2

Answer:

Explanation:

Let X be the oxidation number of metal in the complex.

(i) X+0+(−1)+2(0)=+2

X=+3

(ii) X+2(−1)+2(0)=+1

X=+3

(iii) X+4(−1)=−2

X=+2

(iv) 3(+1)+X+6(−1)=0

X=+3

(v) X+3(0)+3(−1)=0

X=+3

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