Chemistry MCQs

Page No. 28

The halogen which reacts spontaneously with gold (Au) to form Au+3 is ________________?


aF2

✖


bCl2

✓


cBr2

✖


dI2

✖


View Answer Cl2

The most powerful oxidizing agent among the halogens is__________________?


aF2

✓


bCl2

✖


cBr2

✖


dI2

✖


View Answer F2

Vander Waals forces are stronger in_______________?


aF2

✖


bCl2

✖


cBr2

✖


dI2

✓


View Answer I2

Among the halogens the rare element is________________?


aFluorine

✖


bChlorine

✖


cAstatine

✓


dIodine

✖


View Answer Astatine

In which compound nitrogen has maximum oxidation state____________________?


aN2O

✖


bNO2

✖


cHNO2

✖


dHNO3

✓


View Answer HNO3

Oxygen does not react with all except_________________?


aAlkali

✖


bAcid

✖


cWater

✖


dMetals

✓


View Answer Metals

FeSO4 forms brown ring with________________?


aN2O3

✖


bNO2

✖


cNO

✓


dN2O

✖


View Answer NO

The gas which cannot be dried by conc. H2SO4 ?


aSO2

✖


bH2S

✓


cCO2

✖


dC2H4

✖


View Answer H2S

Which of the elements show passivity when treated with conc. HNO3?


aFe

✖


bA

✖


cCr

✖


dAll of the above

✓


View Answer All of the above

The element of group VIA which is a non-metal is________________?


aS

✓


bSe

✖


cTe

✖


dPo

✖


View Answer S

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