Which of the following statements is falsc? (1) Thallium...

Which of the following statements is falsc? (1) Thallium shows different oxidation states because of inert pair effect. (2) Stable compounds in $+1$ oxidation state are formed by thallium. (3) Inert pair is a pair of outmost electrons which act as inert. (4) Among III A group elements, aluminium is present in cations only.

Which of the following statements is falsc?
(1) Thallium shows different oxidation states because of inert pair effect.
(2) Stable compounds in $+1$ oxidation state are formed by thallium.
(3) Inert pair is a pair of outmost electrons which act as inert.
(4) Among III A group elements, aluminium is present in cations only.

Labs

Want to see this concept in action?

NEW

Explore this concept interactively to see how it behaves as you change inputs.

View Labs

Key Concepts

Oxidation States

Oxidation states indicate the degree of oxidation of an element within a compound, reflecting the effective charge on an atom if electrons were completely transferred. In heavier elements, the stabilization of lower oxidation states can result from the inert pair effect, altering their usual bonding patterns and reactivity.

Group IIIA Element Properties

Elements in Group IIIA exhibit distinct chemical behaviors based on their size and electronic configuration. While lighter elements like aluminium predominantly form compounds as cations in higher oxidation states, heavier congeners may form lower oxidation state compounds due to effects like the inert pair effect, influencing their bonding and reactivity patterns.

Inert Pair Effect

This effect describes the phenomenon in which the outer s-electrons of heavy p-block elements, such as thallium, become less available for bonding due to strong relativistic stabilization, leading to a preference for lower oxidation states. It is an important concept in understanding the chemical behavior and oxidation state variations in heavy elements.

Transcript

Please give Ace some feedback