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(a),(b) and (c) are elements in the seco...

(a),(b) and (c) are elements in the second short period. Oxide of (a) is ionic, that of (b) is amphoteric and of (c) of gaint molecule. (a),(b) and (c) have atomic number in the order-

A

`(A) lt (B) lt (C)`

B

`(C) lt (B) lt (A)`

C

`(A) lt (C) lt (B) `

D

`(B) lt (A) lt (C)`

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The correct Answer is:
A
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NARAYNA-PERIODIC TABLE -All Questions
  1. Ionic radii of :

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  2. When the following five anions are arranged in order of decreasing ion...

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  3. (a),(b) and (c) are elements in the second short period. Oxide of (a) ...

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  4. Sizes of the second and third row transition elements are almost the s...

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  5. EN of the element (A) is E(1) and EA is E(2) hence IP will be :

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  6. For the element X, student Surbhi measured its radius as 102 nm, Mr. G...

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  7. The effective nuclear charge on the added electron in F-atom , in the ...

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  8. Covalent radius of F is 0.72 A^(@) . Calculate its Allred-Rochow's ele...

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  9. Covalent radius of oxygen is 0.74 A^(@) and its A .R. electronegativi...

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  10. There are four elements 'P' , 'q' , 'r' and 's' having atomic numbers ...

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  11. Which of the following statements are correct? (i) Generally the ra...

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  12. The correct order of atomic radii of the following element Sm(z=62), E...

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  13. Consider the following ionization steps : M(g) rarr M^(+)(g) +e^(-),...

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  14. Which of the following show amphoteric behaviour?

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  15. In which of the following arrangements, the order is not correct accor...

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  16. Which of the following statement(s) is /are correct?

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  17. Which of the following statements is/are correct?

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  18. Which one of the following statements is/are incorrect :

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  19. Poor shielding of nuclear charge by d or f-orbital electrons is respon...

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  20. The correct order(s) of stability of oxidation state(s) for Ge, Sn and...

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