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The stability of +1 oxidation state incr...

The stability of `+1` oxidation state increases in the sequence :

A

AlltGaltInltTl

B

TlltInltGaltAl

C

InltTlltGaltAl

D

GaltInltAlltTl

Text Solution

Verified by Experts

The correct Answer is:
A
The order is due to 'inert pair effect'.
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ERRORLESS -S AND P BLOCK ELEMENTS-Ordinary thinking (Boron family)
  1. Which one of the following molecules hydrides acts as a Lewis acid ?

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  2. Al(2)O(3) can be converted to anhydrous AlCl(3) by heating :

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  3. The stability of +1 oxidation state increases in the sequence :

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  4. Which of the following statements is incorrect

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  5. The tendency of BF(3), BCl(3) and BBr(3) behave as Lewis acid decrease...

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  6. Which of the following structure is similar to graphite e?

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  7. The stability of +1 oxidation state among Al, Ga, In and Ti increases ...

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  8. Boric acid is an acid because its molecule

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  9. The purification of alumina is called

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  10. Bauxite containing impurities of iron oxide is purified by

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  11. Number of water molecules in Mohr's salt is

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  12. The liquified metal expanding on solidification is :

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  13. Which of the following is only acidic in nature?

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  14. In diborane, the two H-B-H angles are nearly

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  15. Borax is uded as a cleaning agent because on dissolving in water, it g...

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  16. Which of the following is an amphoteric oxide

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  17. When Al is added to KOH solution

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  18. Anhydrous AlCl3 cannot be obtained from which of the following reactio...

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  19. The type of hybridisation of boron in diborane is (a) sp , (b) sp^(...

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  20. AlCl(3) is

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