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The statements regarding 'B'and Al are ...

The statements regarding 'B'and Al are
i) Boron is a bad conductor of heat and electricity
ii) Aluminium hydrides are stable
iii) Maximum covalency of Boron is 4
The correct statements are

A

Only I is correct

B

I and III are correct

C

All are correct

D

III is only correct

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The correct Answer is:
B
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AAKASH SERIES-REVISION EXERCISE -ELEMENTS OF BORON FAMILY
  1. Which reacts with acids as well as alkalies?

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  2. The densest element of IIIA group is

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  3. The statements regarding 'B'and Al are i) Boron is a bad conductor o...

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  4. The correct order of melting points of IIIA group elements is

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  5. The IIIA group element that does not displace hydrogen from hydrochlor...

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  6. Which of the following does not undergo hydrolysis ?

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  7. The maximum number of atoms present in the same palne in diborane mole...

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  8. Diborane does not liberate H2 gas with

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  9. The statements regarding Diborane are i) Diborane contains 2-centred...

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  10. 2X +6LiNoverset(450K)rarrB(2)H(6)+Y. The compounds, X and Y are

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  11. Hydrogen gas is liberated when aluminium is treated with A) Boiling ...

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  12. Which of the following is weakest Lewis acid ?

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  13. Aluminium reacts with concentrated H(2)SO(4) to liberate SO(2) gas. In...

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  14. Slippery nature of orthoboric acid is due to

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  15. In the reaction between boron and sodium hydroxide to liberate hydroge...

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  16. Specify the co-ordination geometry around and hybridisation of N and B...

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  17. The hybridisation of boron and oxygen atoms in a molecule of boric aci...

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  18. Strongest oxidant among the following is

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  19. Electronegativity of aluminium is 1.5. Electro negativity of thallium ...

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  20. The aqueous solution of AlCl3 contains Al^(+3) ions because

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