Which of the following oxide does not form acidic aqueous solutio

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 Multiple Choice QuestionsMultiple Choice Questions

671.

The compound molecular in nature in gas phase but ionic in solid state is

  • PCl5

  • CCl4

  • PCl3

  • POCl3


672.

Which two of the following salts are used for preparing iodized salt?

(i) KIO3, (ii) KI, (iii) I2, (iv) HI

 

  • (i) and (ii)

  • (i) and (iii)

  • (ii) and (iv)

  • (iii) and (iv).


673.

Industrial name for H2S2O7 is :

  • Pyrosulphuric acid

  • Marshall's acid

  • Oleum

  • all of the above


674.

I2 dissolves in KI solution due to the formation of :

  • KI2 and I-

  • K+ , I- and I2

  • KI3-

  • none of these


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675.

Which of the following is anhydride of perchloric acid ?

  • Cl2O7

  • Cl2O5

  • Cl2O3

  • HClO


676.

Which of the following sulphides is yellow in colour ?

  • CuS

  • CdS

  • ZnS

  • CoS


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677.

Which of the following oxide does not form acidic aqueous solution ?

  • N2O3

  • NO2

  • N2O5

  • NO


D.

NO

All other oxides of nitrogen except N2O and NO are acidic in nature .


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678.

The number of P - O - P bridges in the structure of phosphorus pentoxide and phosphorus trioxide are respectively

  • 6, 6

  • 5, 5

  • 5, 6

  • 6, 5


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679.

Fluorine is the best oxidising agent because it has :

  • highest electron affinity

  • highest Eored

  • highest Eooxid

  • lowest electron effinity


680.

Bleaching action of SO2 is due to its :

  • oxidising property

  • acidic property

  • basic property

  • reducing property


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