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The stability of +1 oxidation state amon...

The stability of `+1` oxidation state among `Al,Ga,In` and `Tl` increases in the sequence

A

`Tl lt In lt Ga lt Al`

B

`In lt Tl lt Ga lt Al`

C

`Ga lt In lt Al lt Tl`

D

`Al lt Ga lt In lt Tl`

Text Solution

Verified by Experts

The correct Answer is:
D
Due to the inert pair effect, group `13` elements show `+1` oxidation state also besides the group oxidation state `+3`, and the stability of lower oxidation state, i.e. `+1`, increases down the group `(darr)`.
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CENGAGE CHEMISTRY ENGLISH-P-BLOCK GROUP 13 - BORON FAMILY-Exercise (Single Correct)
  1. In which of the following molecules is hydrogen bridge bond present ?

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  2. Which one of the following molecular hydrides acts as a Lewis acid ?

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  3. The stability of +1 oxidation state among Al,Ga,In and Tl increases in...

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  4. Na(2)B(4)O(7).10H(2)O is correctly represented as

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  5. AlCl(3) is an electron-deficient compound but AlF(3) is not, due to

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  6. Bauxite ore is generally contaminated with impurity of oxides of two...

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  7. Explain, why does boron not form B^(3+) ions.

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  8. Borazine is converted into a disubstituted product B(3)N(3)H(4)X(2)....

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  9. Aqueus solution of borax acts as a buffer because

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  10. Correct match is :

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  11. When aluminium is heated in atomosphere of nitrogen it forms :

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  12. Which one of the following is more abundant in the earth's crust ?

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  13. Which of the following is acidic in nature ?

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  14. alums are used for :

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  15. The liquified metal expanding on solidification is :

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  16. How can the following reaction be made to proceed in forward direction...

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  17. Borax-bead test is responded by

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  18. Which excess of NaOH solution is added in potash alum the product is.

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  19. (3c, 2e) bond is present in

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  20. Boron carbide, B(4)C, is widely used for :

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