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An element X which occurs in the second ...

An element X which occurs in the second short period has an outer electronic structure `s^2p^1` What are the formula and acid -base character of its oxides ?

A

`XO_(3)`, basic

B

`X_(2)O_3)`, basic

C

`X_(2)O_(3)`, amphotaric

D

`XO_(2)` acidic

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The correct Answer is:
C
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ERRORLESS -CLASSIFICATION OF ELEMENTS AND PERIODIC PROPERTIES -Ordinary Thinking Objective Questions Valency and oxidation state
  1. Which of the following electronic configuration in the outermost shell...

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  2. Which of the following elements show maximum valency ?

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  3. Fluorine is the best oxidising agent because it has

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  4. Which of the following element is found in its native state:-

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  5. The basis of keeping the elements in the group of periodic table is

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  6. Beryllium and aluminimum exhibit many properties which are similar . B...

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  7. The most stable oxidation state of thallium is +1

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  8. An element X which occurs in the second short period has an outer elec...

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  9. Which of these is the weakest base?

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  10. Fluorine, chlroine, bromine and iodine are placed in the same group (1...

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  11. the pentavalence in phosphorus is more stable as compared to that of n...

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  12. In the periodic table, the basic character of oxides

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  13. The stable bivalency of Pb and trivalency of Bi is

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  14. Which will show maximum non-metallic character

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  15. All element in 3rd period have

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  16. 3 and 6 electronic are present in the outermost orbit A and B respecti...

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  17. Elements A and B with their respective electronic configurations 3d^(...

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  18. Which of the following group of elements eliminates electron easily

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  19. An ion has 18 electrons in the outermost shell it is

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  20. Assertion : Dinegative anion of oxygen (O^(2-)) is quite common but di...

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