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How many compounds show amphoteric natur...

How many compounds show amphoteric nature amongst following
`B_(2)O_(3),TI_(2)O_(3),Al(OH)_(3),Ga(OH)_(3),Al_(2)O_(3),Ga_(2)O_(3),NaAlO_(2),Sr(OH)_(2),Cr_(2)O_(3)`

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What is the nature of Al_(2)O_(3) and B_(2)O_(3) ?

Which are correct for the following reaction? [Cu(H_(2)O)_(3) OH]^(+) [Al(H_(2)O)_(6)]^(3)to[Cu(H_(2)O)_(4)]^(2+) + [Al(H_(2)O)_(5) OH]^(2+)

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RESONANCE-P-BLOCK ELEMENT (BORON AND CARBON FAMILY)-Exercise-2 Part-II : SINGLE AND DOUBLE VALUE INTEGER TYPE
  1. Central atom may exhibit sp^(3) hybridisation in how many of the follo...

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  2. Mg+BtoMg(x)B(y)overset("HCl")toDiborane Report your answer as (x+y)...

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  3. B+underset(conc.)(HNO(3))tounderset("white solid")(A)+underset("brown ...

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  4. How many of the following order of bond energies are correct. (i) C...

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  5. Which of the following Salts are amphoteric in anture. PbO,PbO(2), ...

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  6. the summation of atomicity of compounds in x,y and z is?

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  7. Reduction of 117.5 g BCl(3) by H(2) in silent electric discharge prod...

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  8. 4 moles of NaBH(4) react completely with I(2). calculate volume of ...

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  9. The number of oxygen atoms in borax which do not from ppi-ppi back bon...

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  10. How many compounds show amphoteric nature amongst following B(2)O(3)...

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  11. How many compounds form acidic solution when dissolved in water H(3)...

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  12. B(10)C(2)H(12) is isostructural & isoelectronic with borate ion of for...

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  13. No of compounds producing gas on hydrolysis (with H(2)O ) is Al(4)C(...

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  14. How many of the given statements are true for potash alum. (1) it i...

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  15. Sum of the number of oxygen shared in between two silicon atoms in Si(...

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  16. In benitonite (BaTiSi(3)O(9)) number of O atoms shared persilicate tet...

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  17. the overall charge present on the cyclic silicate anion [Si(6)O(18)]^(...

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  18. The silicate ion in the mineral kinoite is a chain of three SiO(4)^(4-...

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  19. Straight chain polymer is formed by hydrolysis of [x] which is tetrasu...

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  20. Zeolites are minerals of the composition M((x/n)) [[AlO2]x (SiO2)y].ZH...

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