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Four successive members of the first row...

Four successive members of the first row transition elements are listed below with their atomic number. Which one of them is expected to have the highest third ionisation enthalpy ?

A

Cr(Z=24)

B

Mn(Z=25)

C

Fe(Z=26)

D

Co(Z=27)

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The correct Answer is:
D
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RESONANCE-D & F-BLOCK ELEMENTS & THEIR IMPORTANT COMPOUNDS -Exercise 3
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  12. Which one of the following species is stable in aqueous solution?

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  17. The transition element that has lowest enthalpy of atomisation, is :

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  18. The 71^(st) electron of an element X with an atomic number of 71 enter...

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