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The following are some statements about ...

The following are some statements about diagonal relationship
i) This is due to nearly same size, electro negativity and same polarising power
ii) Li has similar properties with Mg
iii) `BeO, Al_2O_3` are amphoteric in nature

A

all are correct

B

only ii & iii are correct

C

iii & i are correct

D

only ii is correct 1

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-PERIODIC TABLE-OBJECTIVE EXERCISE -2B
  1. Observe the following statements. Q I. The physical and chemical prope...

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  2. The following are some statements about periodic properties i) Atomi...

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  3. The following are some statements about diagonal relationship i) Th...

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  4. Three elements, X,Y and Z belong to the same period. Their oxides are ...

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  5. The elements 'X', 'Y' and 'Z' form oxides which are acidic, basic and ...

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  6. The formation of O^(-2) and N^(-3) are endothermic, but metal oxides ...

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  7. Some statements are given below. Among them, the correct statement are...

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  8. Ce-58 is member of

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  9. The radii of F, F^(-), O, O^(2-) are in the order

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  10. O^(2-) and Si^(4+)are isoelectronic ions. If the ionic radius of O^(2-...

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  11. lonic radii (in oversetoA) of As^(3+), Sb^(3+) and Bi^(3+) follow the ...

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  12. The order of decrease in atomic radii for Be, Na and Mg is

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  13. Lanthanide contraction occurs because

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  14. Radius of Cs^(+) ion is less than that of A) Fluoride ion B) Chlo...

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  15. The sizes of A, A^+ and A^- follows the order

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  16. Which of the following has the largest atomic radius ?

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  17. Which of the following grouping represents a collection of iso-electio...

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  18. Which is not related to lanthanide contraction

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  19. A trend common to both groups 1 and 17 elements in the periodic table ...

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  20. The screening effect of d-electrons is

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