What is the order of ionisation energies...

What is the order of ionisation energies of the coinage metal

Au gt Ag gt Cu

Cu gt Ag gt Au

Au gt Cu gt Ag

Ag gt Cu gt Au

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The correct Answer is:

`Z_(eff) ` Au > Cu > Ag ` So , I.E. Au > Cu > Ag , , Will be discussed more in Class 12th (d block elements)

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