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The number of possible resonance forms f...

The number of possible resonance forms for superoxide ion is 

A

2

B

4

C

3

D

1

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The correct Answer is:
C
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AAKASH SERIES-ALKALI METALS-OBJECTIVE EXERCISE - 2
  1. Sodium metal itself is used as

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  2. Which of the following metal pairs liberate H(2) with NaOH

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  3. The number of possible resonance forms for superoxide ion is

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  4. Which of the following pair cannot exist together in solution ?

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  5. The least soluble alkali metal carbonate is

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  6. Which one of the following decomposes easily on heating ?

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  7. Except LiNO(3), Nitrates of IA group on heating give

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  8. Correct statement of the following is

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  9. The addition of Na(2)CO(3), to the aqueous solution of an oxide produc...

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  10. In between the metals A and B, both form oxide but B also forms nitrid...

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  11. Which one of these is basic ?

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  12. Which of the following is formed when lithium is heated in air ?

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  13. Which of the following is paramagnetic

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  14. Zinc reacts with hot and concentrated NaOH and forms

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  15. The sodium hydroxide solution at the surface reacts with the CO(2) in ...

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  16. Sodium peroxide which is a yellow solid, when exposed to air becomes w...

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  17. Sodium carbonate is soluble in water because

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  18. Which of the following statements is not true for lithium ?

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  19. Which of the following is not the correct use of caustic soda ?

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  20. Match the following {:("List - I","List - II"),("A) "NaOH,"I) In fir...

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