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  • Match the properties given in Column I with the metals given in Column II. Column I : Element with highest second ionisation enthalpy, Column II : Co.

Match the properties given in Column I with the metals given in Column II.

Column I (Property) Column II (Metal)
(i) Element with highest second ionisation enthalpy (a) \text {Co}
(ii) Element with highest third ionisation enthalpy (b) \text {Cr}
(iii) M in \text {M (CO)}_{6} is (c) \text {Cu}
(iv) Element with highest heat of atomisation (d) \text {Zn}
  (e) \text {Ni}

 

Answers (1)

(i \rightarrow c), (ii \rightarrow d), (iii \rightarrow b), (iv \rightarrow a)
i) \text {Cu}^{+} has a configuration \text {3d}^{10} , making removal of the next electron a challenge

ii) Similar to \text {Cu}^{+} , \text {Zn}^{+2}  has a configuration \text {3d}^{10}

iii) M=Cr

iv) Energy of atomization is highest for Nickel

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