Question
Choose incorrect option for 3-d transition series:-
Answer: Option C
:
C
The decrease in metallic radius coupled with increase in atomic mass results in a general increase in the density of these elements. Thus, from titanium (Z = 22) to copper (Z = 29) the significant increase in the density.
For Zn, 1st ionization enthalpy is higher because it represents an ionisation from the 4slevel.Enthalpy of atomization is lowest for zinc due to absence of unpaired electrons not available for inter-atomic bonding. Cr2+ is reducing as its configuration changes from d4 tod3 , the latter having a half-filledt2g level.
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:
C
The decrease in metallic radius coupled with increase in atomic mass results in a general increase in the density of these elements. Thus, from titanium (Z = 22) to copper (Z = 29) the significant increase in the density.
For Zn, 1st ionization enthalpy is higher because it represents an ionisation from the 4slevel.Enthalpy of atomization is lowest for zinc due to absence of unpaired electrons not available for inter-atomic bonding. Cr2+ is reducing as its configuration changes from d4 tod3 , the latter having a half-filledt2g level.
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