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In this reaction 4Al + 3O(2) to 4Al^(3+)...

In this reaction `4Al + 3O_(2) to 4Al^(3+) + 6O^(2-)` which of the following statement is incorrect ?

A

It is a redox reaction

B

Metallic aluminium is a reducing agent

C

Metallic aluminium is oxidised to `Al^(3+)`

D

Metallic aluminium is reducing to `Al^(3+)`

Text Solution

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The correct Answer is:
D
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AAKASH INSTITUTE-REDOX REACTIONS-Assignment (Section B) (Objective type Questions (one option is correct))
  1. Which can act as a reducing agent ?

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  2. The oxidation number of Fe in Fe(0.94)O is

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  3. In this reaction 4Al + 3O(2) to 4Al^(3+) + 6O^(2-) which of the follow...

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  4. Calculate the oxidation numbers of Cr in K(3)CrO(8):

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  5. Peroxides are basic in nature and they form hydrogen peroxides on trea...

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  6. What is the difference in oxidation state of nitrogen in between hydro...

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  7. In which one of the following changes there are transfer of five elect...

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  8. How many gm of K(2)Cr(2)O(7) is present in 1 L of its N/10 solution in...

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  9. When Cu(2)S is converted into Cu^(2+) & SO(2) then equivalent weight o...

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  10. Which of the following changes involve reduction ?

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  11. FeS to Fe^(3+) + SO(3) Eq. wt. of FeS for this change is (mol. Wt....

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  12. The reaction Cl(2) + S(2)O(3)^(2-) + OH^(-) to SO(4)^(2-) + Cl^(-)...

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  13. The number of moles of KMnO(4) that will be needed to react completely...

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  14. 200 ml of 0.01 M KMnO(4) oxidise 20 ml of H(2)O(2) sample in acidic me...

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  15. If equal volumes of 1 M KMnO(4) and 1M K(2)Cr(2)O(7) solutions are all...

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  16. 4 mole of a mixture of Mohr's salt and Fe(2)(SO(4))(3) requires 500mL...

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  17. What volume of 3 molar HNO(3) is needed to oxidise 8 g of Fe^(3+), HNO...

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  18. The stoichiometric coefficient of S in the following reaction H(2)...

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  19. 12.53 mL of 0.0509MSeO(2) reacted with 25.52 mL 0.1M CrSO(4) solution....

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  20. A sample of NaHCO(3) + Na(2)CO(3) required 20 ml of HCl using phenolph...

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