What statement is not characteristic about group 6 A elements? (a) S, Se and Te are much less e

step 1 What statement is not characteristic about group 6A elements? Correct answer is option B. The fa

What statement is not characteristic about group 6 A...

What statement is not characteristic about group $6 \mathrm{~A}$ elements? (a) $\mathrm{S}, \mathrm{Se}$ and Te are much less electronegative than oxygen and commonly have positive oxidation states. (b) The favoured oxidation state of Te and Po is $+2$. (c) Oxygen and sulphur are typical non-metals while selenium and tellurium are semi metals. (d) Oxygen is a powerful oxidizing agent but $\mathrm{H}_{2} \mathrm{Se}$ and $\mathrm{H}_{2} \mathrm{Te}$ are good reducing agents.

What statement is not characteristic about group $6 \mathrm{~A}$ elements?
(a) $\mathrm{S}, \mathrm{Se}$ and Te are much less electronegative than oxygen and commonly have positive oxidation states.
(b) The favoured oxidation state of Te and Po is $+2$.
(c) Oxygen and sulphur are typical non-metals while selenium and tellurium are semi metals.
(d) Oxygen is a powerful oxidizing agent but $\mathrm{H}_{2} \mathrm{Se}$ and $\mathrm{H}_{2} \mathrm{Te}$ are good reducing agents.

Key Concepts

Periodic Table Groups

This concept involves the organization of elements into groups based on similar chemical properties, such as the group 6A (chalcogens). Understanding these groups allows for prediction of trends in properties like electron affinity, atomic size, and reactive behavior.

Electronegativity

Electronegativity refers to an atom's ability to attract and hold electrons within a chemical bond. It is important in explaining why elements in a group may show different tendencies to gain or lose electrons, thereby influencing their oxidation states and bonding behavior.

Oxidation States

This is the concept describing the degree of oxidation (loss of electrons) of an atom in a chemical compound. Elements within the same group can display multiple oxidation states, which is key to understanding their diverse chemical reactions and compound formation.

Metals, Nonmetals, and Metalloids

This concept deals with the classification of elements based on their physical and chemical properties. It highlights the trends as one moves down a group, such as a change from nonmetallic to metalloid behavior, which affects conductivity, luster, and reactivity.

Oxidizing and Reducing Agents

This addresses substances that either accept or donate electrons during a chemical reaction. It is crucial for understanding how different elements and their compounds behave under various conditions, such as the contrasting oxidizing ability of oxygen versus the reducing properties of its heavier congeners.

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