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Why are pb (IV) salts less abundant ?...

Why are pb (IV) salts less abundant ?

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PATHFINDER-P-BLOCK ELEMENTS -QUESTION BANK
  1. Which element of gp. 14 forms only one hydride ?

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  2. R3SiCl on hydrolysis forms :

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  3. Why are pb (IV) salts less abundant ?

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  4. CO2 is an acidic anhydride while PbO2 is basic anhydride. Explain.

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  5. SnCl2. 2H2O readily loses one molecule of water at 80^@C. Why ?

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  6. H3BO3 is:

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  7. Boron forms BX3 type of halides. The correct increasing order of Lewis...

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  8. Me3B,BH3 and BF3 are three Lewis acids. Which one of the following is ...

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  9. B(OH)3+NaOH iff Na[B(OH)4] How can this reaction is made to proceed i...

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  10. AlCl3 exist as dimer because of

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  11. Which of the following is not true for potash alum ?

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  12. Thermite is mixture of X parts of ferric oxide and Y parts of aluminiu...

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  13. Heating an aqueous solution of aluminium chloride to dryness will give...

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  14. While testing BO3^3, there is a green edged flame on heating the salt ...

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  15. Borax is actually made of two tetrahedral and two triangular units joi...

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  16. Specify the coordination geometry around and hybridization of N and B ...

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  17. Which of the following statements is correct?

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  18. Fluorine is more electronegative than either boron or phosphorus. What...

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  19. Aluminium (III) chloride forms a dimer because:

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  20. Structure of Na2B4O7.10H2O contains

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