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Which of the following pair of group 13 ...

Which of the following pair of group 13 elements have similar atomic radius 

A

`B,Al`

B

`In,Tl`

C

`Ga,In`

D

`B,Tl`

Text Solution

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The correct Answer is:
B
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AAKASH SERIES-ELEMENTS OF BORON FAMILY-OBJECTIVE EXERCISE - 1
  1. The nature of B(2)O(3) is

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  2. Thallous chloride is more stable than thallic chloride because of

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  3. Which of the following pair of group 13 elements have similar atomic r...

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  4. Thallium shows different oxidation states because

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  5. Which of the following is used in high temperature thermometry ?

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  6. AICI(3) is

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  7. Which one is a non-metal in group 13 ?

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  8. The electropositive character increases from B to Al and then decrease...

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  9. When boron atom undergoes sp^(3) hybridi zation

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  10. Boron exhibits diagonal relationship with

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  11. The atomic radius of which element is least

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  12. (A): Gallium is used as a thermometric liquid (R):Gallium has wide l...

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  13. Statement I: BCl(3) and AlCl(3) are both Lewis acids and BCl(3) is str...

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  14. Boron does not form B^(3+) ions whereas Al forms Al^(3+) ions. This is...

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  15. Which is true for an element R present in group 13 of the periodic tab...

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  16. Boron compounds behave as Lewis acids because of their

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  17. Which of the following is not an ionic trihalide?

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  18. The electropositive character increases from B to Al and then decrease...

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  19. (A): The oxidation number of boron in BF(3) is +3 (R) : Boron can no...

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  20. Borax when dissolved in water exbibits

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