Write the names of the following salts, using the rules discussed above. When us

Question

Write the names of the following salts, using the rules discussed above. When using Roman Numerals, don't leave any space between the metal name and the (numeral), but do leave a space before the name of the non-metal.

ex.

tin(II) phosphate

3. Co2(CO3)3

And formulas for the compounds formed by the following pairs of chemical species

4. H+ and Br- (in aqueous solution)

5. Li+ and NO3-

6. Ba2+ and CO32-  

7. Ba2+ and ClO2-  

8. Sn2+ and PO43-

9. Fe3+ and C2H3O2-  

tin(II) phosphate

3. Co2(CO3)3

Explanation / Answer

Lets name according to the rule :

1) Mn(CN)4 : Here there is -1 charge on CN and there are 4 such CN to total charge = -4

to neutralize -4 metal should have +4 charege or oxidation state of the metal is +4

Magnesium(IV) cynide

2) Zn(C2H3O2)2 Here CH3COO- is anion and two anions has -2 charge and so Zn has +2 oxidation state

Zinc(II) acetate

3) Co2(CO3)3

Here CO3 2- is anion and three such anion has -6 charge

two metal ions shold have +6 charge together and so metals oxidation state is +3

Cobalt(III) corbonate

Question 2)

H+ (aq) + Br(aq) -- > HBr(aq) so formula is HBr (aq)

2) Li+ + NO3- --> LiNO3 ; formula is LiNO3

3) Ba2+ + CO3 2- ---> BaCO3    formula is BaCO3

4) Ba2+ + ClO2 - -- > BaClO2   formula is BaClO2

5) Sn2+ + PO4 3- ----> Sn3(PO4)2 formula is Sn3(PO4)2

6) Fe3+ + C2H3O2- -- > Fe2(C2H3O2)3      Formula is Fe2(C2H3O2)3

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