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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