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Ionisation enthalpy (∆i H1 kJ mol–1) for the elements of Group 13 follows the order. (i) B > Al > Ga > In > Tl (ii) B < Al < Ga < In < Tl (iii) B Ga Tl (iv) B > Al In < Tl
Ionisation enthalpy (∆i H1 kJ mol–1) for the elements of Group 13 follows the order. (i) B > Al > Ga > In > Tl (ii) B < Al < Ga < In < Tl (iii) B Ga Tl (iv) B > Al In < Tl
CBSE | Chemistry | Class 11 | ncert exemplar | The p-Block Elements
Ionisation enthalpy (∆i H1 kJ mol–1) for the elements of Group 13 follows the order. (i) B > Al > Ga > In > Tl (ii) B < Al < Ga < In < Tl (iii) B Ga Tl (iv) B > Al In < Tl

Option IV is the correct response

i

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