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Question
Choose the correct answer from the options given below.
The formula of iron (III) sulphate is ______.
Options
Fe3SO4
Fe(SO4)3
Fe2(SO4)3
FeSO4
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Solution
The formula of iron (III) sulphate is Fe2(SO4)3.
Explanation:
\[\ce{Fe^{3+} SO^{2-}_4}\]
\[\ce{F\overset{3}{e} ⤩ S\overset{3}{O4} => F\underset{2}{e} ⤩ S\underset{3}{O4}}\]
∴ Fe2(SO4)3
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RELATED QUESTIONS
Select the basic and acidic radicals in the following compounds.
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|
Compound |
Formula |
|
1. Boric acid |
i. NaOH |
|
2. Phosphoric acid |
ii. SiO2 |
|
3. Nitrous acid |
iii. Na2CO3 |
|
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iv. KOH |
|
5. Sulphurous acid |
v. CaCO3 |
|
6. Sulphuric acid |
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|
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vii. H2S |
|
8. Silica (sand) |
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|
9. Caustic soda (sodium hydroxide) |
ix. PH3 |
|
10. Caustic potash (potassium hydroxide) |
x. CH4 |
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11. Washing soda (sodium carbonate) |
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12. Baking soda (sodium bicarbonate) |
xii. HCl |
|
13. Lime stone. (calcium carbonate) |
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|
14. Water |
xiv. HNO3 |
|
15. Hydrogen sulphide |
xv. HNO2 |
|
16. Ammonia |
xvi. H3BO3 |
|
17. Phosphine |
xvii. H3PO4 |
|
18. Methane |
xviii. H2SO4 |
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