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Which of the following does not show sim...

Which of the following does not show similarity between boron and aluminium?

A

Both form oxides of type `M_(2) O_(3)` when heated with oxygen at high temperature

B

Both dissolve in alkalies and evolve hydrogen.

C

Hydroxides of both the elements are basic in nature.

D

Both form nitrides of MN type when heated with `N_(2)`.

Text Solution

Verified by Experts

The correct Answer is:
C
`B(OH)_(3)` is a weak acid while `AI(OH)_(3)` is amphoteric in nature.
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NCERT FINGERTIPS-THE P-BLOCK ELEMENTS-Group 13 Elements - The Boron Family
  1. The first ionisation potential of Al is smaller than that of Mg becaus...

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  2. The electropositive first increases from B to Al and then decreases fr...

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  3. Group 13 elements show

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  4. Aluminium exhibits +3 oxidation state. As we move down the group, +1 o...

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  5. Group 13 elements show +1 and +3 oxidation states. Relative statibilit...

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  6. Which of the following group 13 elements does not show the inert pair ...

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  7. Which has the maximum electropositive character ?

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  8. Describe the shapes of BF(3) and BH(4)^(-). Assign the hybridisation o...

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  9. Halides of boron and aluminium are Lewis Acids. Assign reason.

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  10. Which of the following is not true regarding the nature of halides of ...

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  11. Which of the following hydroxide is acidic?

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  12. The decreasing order of power of boron halides to act as Lewis acids i...

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  13. The aqueous solution of AICI(3) is acidic due to

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  14. The aqueous solution of AICI(3) is acidic due to

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  15. Anhydrous aluminium chloride is prepared by

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  16. The reduction of an oxide by aluminium is called

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  17. Why does AlCl(3) fumes in air?

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  18. Which of the following does not show similarity between boron and alum...

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  19. A metal X reacts with aqueous NaOH solution to form Y and a highly inf...

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  20. A metal M reacts with sodium hydroxide to give a white precipitate X w...

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