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A Typical characteristic of the representative element is that the first member of each group gives different present in that group. Lithium is no excepton. Through it is the first member of the alkali metal family (group f), it is anomalous in behaviour. This may be attributed to the small size of both Li and Li^(+) ion, high ionisation enthalpy, high polarising power, and non- availability of d-electrons in its valence shell. Lithium is the strongest reducing agent among the alkali metals due to which of the following characterisitics ? |
Answer» <html><body><p>Ionisation <a href="https://interviewquestions.tuteehub.com/tag/enthalpy-15226" style="font-weight:bold;" target="_blank" title="Click to know more about ENTHALPY">ENTHALPY</a><br/>Electron gain enthalpy<br/>Hydration enthalpy<br/>Lattice enthalpy</p>Solution :Hydration enthalpy <a href="https://interviewquestions.tuteehub.com/tag/released-613817" style="font-weight:bold;" target="_blank" title="Click to know more about RELEASED">RELEASED</a> being very large due to small size of `Li^(+)` <a href="https://interviewquestions.tuteehub.com/tag/ion-1051153" style="font-weight:bold;" target="_blank" title="Click to know more about ION">ION</a> compensates the ionisation enthalpy requried.</body></html> | |