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(X), (Y), (Z) are elements in third shor...

`(X), (Y), (Z)` are elements in third short period. Oxide of `(X)` is ionic, `(Y)` is amphoteric and `(Z)` is a giant molecule. `(X), (Y)` and `(Z)` will have atomic number in the order :

A

`(X) lt (Y) lt (Z)`

B

`(Z) lt (Y) lt (X)`

C

`(X) lt (Z) lt (Y)`

D

`(Y) lt (X) lt (Z)`

Text Solution

Verified by Experts

The correct Answer is:
A

Hence, the atomic number of `(Z) gt (Y) gt (X)`.
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CENGAGE CHEMISTRY-PERIODIC CLASSIFICATION OF ELEMENTS AND GENERAL INORGANIC CHEMISTRY-Ex 1.2(Objective)
  1. The correct order of hydration enthalpies of alkali metal ions is:

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  2. Inert pair effect is shown by

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  3. Which is//are ampoteric oxide ?

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  4. EA is positive when

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  5. Which has the maximum covalent character?

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  6. In which sovalent KBr has maximum solubility?

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  7. Lattice energy of BeCO(3)(I), MgCO(3)(II) and CaCO(3)(III) is in order...

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  8. NO(2) and N(2)O(4) are two forms of nitrogen dioxide. One exists in ga...

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  9. Magnetic moment of V(Z = 23),Cr(Z = 24),and Mn(Z= 25) are x,y,z repe...

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  10. Solubility of groups 1 and 2 fluorides increases down the group'. Whic...

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  11. Which of the following molecule is theoretically not possible ?

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  12. Which of the following triads have approximately equal size ?

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  13. Which pair is different from the others ?

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  14. Compound XY is predominantly ionic as X^(o+)Y^(ɵ) if

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  15. (X), (Y), (Z) are elements in third short period. Oxide of (X) is ioni...

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  16. Which of the correct order of size ? (O^(ɵ), O^(2-), F^(ɵ) and F ?)

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  17. F has the highest electronegativity among the group 17 elements (i.e. ...

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  18. The correct order of decreasing ionic character is

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  19. The correct order of decreasing polarisability of ion is

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  20. Which of the following has the smallest bond length ?

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