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“Alums” are double sulphates of...

“Alums” are double sulphates of

A

Univalent metal and univalent metal

B

Univalent metal and trivalent metal

C

Univalent metal and divalent metal

D

Divalent metal and univalent metal

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Alum is a

Potash alum is a double salt, its aqueous solution shows the characteristics of:

alums are used for :

Alums having the general formula M_(2)SO_(4).M_(2)^(1)(SO_(4))_(3).24H_(2)O where M is monovalent basic radical while M is trivalent basic radical. Alums are generally obtained when hot solutions of equimolar quantities of their constituent sulphates are mixed and the resulting solution is subjected to crystallization. Alums are fairly soluble in hot water but less solubel in cold water Which of the following cation can not form alum

Alums having the general formula M_(2)SO_(4).M_(2)^(1)(SO_(4))_(3).24H_(2)O where M is monovalent basic radical while M is trivalent basic radical. Alums are generally obtained when hot solutions of equimolar quantities of their constituent sulphates are mixed and the resulting solution is subjected to crystallization. Alums are fairly soluble in hot water but less solubel in cold water The aqueous solution of potash alum is

Statement-I : Alums are isomorphous crystalline double salts, which are soluble in water. Statement-II : The aq. Solutions of alums have acidic character due to hydrolysis.

XII BOARDS PREVIOUS YEAR-CUET MOCK TEST SET 1-PART – B (SECTION – II CHEMISTRY )
  1. The complex which would be colourless

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  2. Lunar caustic is

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  3. “Alums” are double sulphates of

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  4. The correct set of approximate bond angles at C1, C2 and O1 for an org...

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  5. The difference between a carbene and a carbanion is

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  6. Which is the strongest acid amongst the compounds mentioned below ?

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  7. Correct IUPAC name of the following molecule is

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  8. In the nitration of benzene,which of the following statements is not t...

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  9. Reaction of acetamide with solution of bromine in sodium hydroxide to ...

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  10. The pair of reactants for a Grignard reaction that does not give 2-phe...

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  11. Reaction of dimethyl terephthalate (DMT) and ethylene glycol produces

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  12. The standard equation of Van der Waals (real) gas is

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  13. Seven moles of ideal gas expand in to vacuum, the work done is

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  14. A crystal with a = b =c and x=y=z=90^(@) is

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  15. If the activation energy for forward reaction is lower than for backwa...

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  16. The number of translational degree of freedom for a diatomic gas is

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  17. In metal and graphite, the conductance is due to the flow of

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  18. Ten moles of ideal gas expand in to vacuum, the work done is

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  19. The unit of rate constant for a first order reaction

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  20. Mark the solution having highest specific conductance.

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