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Give reasons: Iron has higher enthalpy...

Give reasons:
Iron has higher enthalpy of atomisation than of copper

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Due to higher number of unpaired electrons
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Give reason for the folloiwng : (a) E_("value")^(@) for Mn^(3+)//Mn^(2+) couple is much more positive than that of Fe^(3+)//Fe^(2+) couple. (b) Iron has higher enthalpy of atomization then that of copper. (c) Sc^(3+) is colourless in aqueous solution whereas Ti^(3+) is coloured.

The higher enthalpy of atomisation can be due to :

Why do the transition elements have higher enthalpies of atomisation? In 3d series (Sc to Zn), which element has the lowest enthalpy of atomisation and why?

The transition metals exhibit higher enthalphies of atomisation due to :

Lowest enthalpy of atomisation among the following is of:

Which of the following has the lowest enthalpy of atomisation ?

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  4. Sc^(3+) is colourless is aqueous solution whereas Ti^(3+) is coloured.

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