Chemistry MCQs

Page No. 26

Which of the following oxides of iodine is used for quantitative analysis of CO ?


aI2O4


bI4O2


cI2O5


dAll are equally useful


View Answer I2O5

Bleaching powder is an example of________________?


aNormal salt


bDouble salt


cMixed salt


dcomplex


View Answer Mixed salt

Which is the strongest acid ?


aHCIO


bHCIO2


cHCIO3


dHCIO4


View Answer HCIO4

Which of the following represents the correct electronic configuration of VII A group elements in the ground state ?


ans2p2


bns2p4


cns2p5


dns2p6


View Answer ns2p5

Which one of the following is the weakest acid in water__________________?


aHF


bHCl


cHBr


dHI


View Answer HF

Which of the following statements is incorrect about fluorine_______________?


afluorine is restricted to -1 oxidation state


bfluorine follows octet rule and as well as extended octet rule


cfluorine has lowest dissociation energy among the halogens


dBoth B and C


View Answer Both B and C

The colour of chlorine gas is_______________?


apale yellow


bfreenish yellow


creddish brown


dgrayish black


View Answer freenish yellow

Which is the paramagnetic oxide of chlorine ?


aCl2O7


bCl2O6


cClO2


dAll


View Answer All

Which one of the following halogens is present in Teflon________________?


aI2


bBr2


cCl2


dF2


View Answer F2

Indicate the correct statement__________________?


aCl2 is the strongest oxidizing agent


bI2 is a volatile solid


cBr2 is more reactive than Cl2


dCl2 is insoluble in water



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