Question

Manganese has oxidation of 4+ in a number of compounds. Write the formulas and names of compounds of 4+ manganese with oxygen and bromine

Answer 1

Answer:

The formulas and names of compounds of 4+ manganese with oxygen is :

$MnO_{2}$ = Manganese dioxide

It is black in colour

The formulas and names of compounds of 4+ manganese with Bromine is :

$MnBr_{4}$ = Manganese tetrabromide

Explanation:

Chemical Formula = The symbolic representation of elements showing the chemical composition of elements in the compound.

The symbol of:

Manganese = Mn

Bromine = Br

Oxygen = O

Valancy = The combining capacity of elements is called valancy. Valancy of Oxygen and Bromine are given below.:

Oxygen = -2

Bromine = -1

Manganese = +4

While writing formula we should make overall charge = 0

Total + charge = Total - charge

When Mn (+4) react with O(-2) , it will form MnO2 (2 oxygen have = -2x2 = -4 charge . Overall MnO2 = +4 - 4 = 0)

1 Br = -1

4 Br = 4 x-1 = -4 charge

To make total charge = 0 , 1 Mn need = 4 Br

1. So, formula = MnBr4

"The formation of Formula is shown in the image "

Naming of compounds:

Manganese id positive charge so it should be named as such. However negative charge species names are changed

-ve charged species =  ends with "-ide "

Bromine = Bromide

Oxygen = Oxide

If they are more then one

for 2 = prefix di

3 = prefix tri

So ,

Name of MnO2 = Manganese dioxide

MnBr4 = Manganese tetrabromide