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The following are some statements about ...

The following are some statements about periodic properties
i) Atomic size decreases from left to right in a period
ii) The EA of 2nd element in VA, VIA, VIIA are greater than the first element
iii) Acidic nature of oxides decreases and basic nature of oxides of elements increases down the group

A

all are correct

B

only i and ii are correct

C

only iii is correct

D

ii & iii are correct

Text Solution

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The correct Answer is:
A
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AAKASH SERIES-PERIODIC TABLE-OBJECTIVE EXERCISE -2B
  1. Which of the following is not correct in the case of Be and Al ?

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  2. Observe the following statements. Q I. The physical and chemical prope...

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

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

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

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

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

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

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  9. Ce-58 is member of

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

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

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

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

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  14. Lanthanide contraction occurs because

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

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

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

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

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  19. Which is not related to lanthanide contraction

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

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