Chemistry - PERIODIC TABLE Question with Solution | TestHub

ChemistryPERIODIC TABLEIonisation Energy,Medium2 minQB
ChemistryMediuminteger

Which of the following is / are incorrectly matched. (I) order (II) Mt element belongs to period group (III) Ionic radius order (IV) order (V) EA order (VI) Acidic strength order (VII) Ionic mobility order (VIII) Size ratio are

Answer:
4
Solution:

The correct order for Group 13 elements is . Thallium () has a higher ionization energy than both and due to the poor shielding effect of electrons (lanthanide contraction). This increased effective nuclear charge holds the outermost electrons of more tightly. Therefore, statement (iv) is incorrect.

Stream:JEESubject:ChemistryTopic:PERIODIC TABLESubtopic:Ionisation Energy,
2mℹ️ Source: QB

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