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Which of the following is not true for p...

Which of the following is not true for potash alum ?

A

Its aqueous solution is acidic in nature

B

Its empirical formula is `KAl(SO_4)_2. 12H_2O`

C

On heating, it melts in its water of crystallisation

D

It is used in dyeing industry

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Verified by Experts

The correct Answer is:
C
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PATHFINDER-P-BLOCK ELEMENTS -QUESTION BANK
  1. B(OH)3+NaOH iff Na[B(OH)4] How can this reaction is made to proceed i...

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  2. AlCl3 exist as dimer because of

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

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

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

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

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

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

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  9. Which of the following statements is correct?

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

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

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  12. Structure of Na2B4O7.10H2O contains

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  13. Which of the following compounds is formed in borax bead test?

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  14. The shape of gaseous SnCl2 is

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  15. The percentage of lead in lead pencil is

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  16. Which oxide of lead is used in lead storage batteries, in safety match...

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  17. Ge (II) compounds are powerful reducing agents whereas Pb (IV) compoun...

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  18. PbCl4 exist while PbBr4 and PbI4 do not exist.-Explain.

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  19. Which of the following is most stable?

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  20. Bio gas and producer gas are made up of

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