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Which of the following is/are correct fo...

Which of the following is/are correct for groups 14 elements ?

A

The stability of dihalides are in the order `CX_2ltSiX_2ltGeX_2ltSnX_2ltPbX_2`

B

The ability to form `ppi-ppi` multiple bonds among themselves increases down the group

C

The tendency for catenation decreases down the group

D

They all form oxides with the formula `MO_2`

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The correct Answer is:
A, C, D
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PATHFINDER-P-BLOCK ELEMENTS -QUESTION BANK
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  2. Which of the following molecules have a dative bonding (ppi-dpi) ?

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  3. Which of the following is/are correct for groups 14 elements ?

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  4. Aqueous solution of boric acid is treated with salicylic acid. Which o...

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  5. Formation of a bridge bond is best explained by M.O.T. According to wh...

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  6. Formation of a bridge bond is best explained by M.O.T. According to wh...

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  7. Silicon is second most abundant element occurring in earth crust. It i...

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  8. Silicon is second most abundant element occurring in earth crust. It i...

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  9. Match Column-I with Column-II

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  10. Match Column-I with Column-II

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  11. Match Column-I with Column-II

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  12. The number of sp^2 hybridized boron atoms in borax

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  13. On combustion of 1 mole of glucose the number of moles of CO2 produced...

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  14. The minimum number of moles of HCl required to completely react with 1...

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  15. In sheet silicate how many oxygen atoms of [SiO4]^(4-) are shared ?

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  16. Starting from boric acid, how would you prepare (i) meta and (ii) tetr...

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  17. Boron tribromide is stronger acid than boron trifluoride. Why ?

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  18. Can we prepare anhydrous AlCl3 by heating AlCl3. 6H2O ?

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  19. Aluminium fluoride is ionic while AlCl3 is covalent. Why ?

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  20. Explain the following "The ppi-ppi back bonding occurs in the halide...

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