Iron forms a sulphide with the formula `Fe_(7)S_(8)`. Iron exist in both +2 and +3 oxidatioin states. The ratio of Fe(II) atoms to Fe(III) atoms is:

Question

Iron forms a sulphide with the formula `Fe_(7)S_(8)`. Iron exist in both +2 and +3 oxidatioin states. The ratio of Fe(II) atoms to Fe(III) atoms is:

Iron forms a sulphide with the formula `Fe_(7)S_(8)`. Iron exist in both +2 and +3 oxidatioin states. The ratio of Fe(II) atoms to Fe(III) atoms is:
A. `3:4`
B. `4:3`
C. `2:5`
D. `5:2`

Monjur Alahi

9 views

2025-01-04 04:42

1 Answers

Related Questions

Manetite, which has the formula `Fe_(2)O_(3)` is comprised or iron(II) oxide and iron (III) oxide. What is the ratio of iron(II) ions to iron(III) ion

2 Answers 4 Views

In order to obtain metal from its oxide through Blast furnace process, the following reactions are involved. `Fe_(2)O_(3)+CO to Fe_(3)O_(4)+CO_(2)` `F

2 Answers 4 Views

Find the number of ores which can be concentrated by magnetic separation method. `Fe_(2)O_(3), Fe_(3)O_(4), FeCO_(3), FeS_(2), CuFeS_(2), Cu_(2)O, ZnS

2 Answers 4 Views

If there elements X, Y & Z crystallize in cubic solid latice with X atoms at corners, Y atoms at cube centre & Z-atoms at the edges, then the formula

2 Answers 4 Views

In the Froth Floatation process, zinc sulphide and lead sulphide can be separated by__________

2 Answers 4 Views

Wrought iron is the purest form of iron. Write a reation used for the preparation of wrought iron from cast iron. How can the impurities of sulphur, s

2 Answers 4 Views

Based on the data given below, the correcy order of reducing power is: `Fe_((aq.))^(3+) + e rarr Fe_((aq.))^(2+), E^(@) = +0.77 V` `Al_((aq.))^(3+) +

2 Answers 4 Views

A compound is formed by two elements M and N . The element N forms ccp and atoms of M occupy `(1)/(3)` rd of tetrahedral voids . What is the formula o

2 Answers 4 Views

Sulphide ores of metals are usually concentrated by both floatation process. Which of the following sulphide ores offers an exception and is concentra

2 Answers 4 Views

Iron sulphide on combustion forms an oxide of sulphur which is dissolved in water to give an acid. The basicity of this acid is

2 Answers 4 Views

Salim Ahmed Kawsar · Accepted Answer · 2023-02-05T15:29:48+06:00

Salim Ahmed Kawsar

Correct Answer - D
Let `Fe^(+2)="x moles"`
then `Fe^(+3)=(7-x)" moles"`
`(x)(+2)+(7-x)(+3)+8(-2)=0`
x= 5

9 views Answered 2023-02-05 15:29