Which element from following belongs to oxygen family?

Question

Given below are two statements :
Statement I: The boiling point of hydrides of Group 16 elements follow the order
H₂O > H₂Te > H₂Se > H₂S.
Statement II: On the basis of molecular mass, H₂O is expected to have lower boiling point than the other members of the group but due to the presence of extensive H-bonding in H₂O, it has higher boiling point.
In the light of the above statements, choose the correct answer from the options given below :

Answer 1

Step 1: Understanding the Question:
Four elemental symbols are presented, and we must recognize which one resides in the oxygen family (Group 16 elements, also called chalcogens) of the periodic table.

Step 2: Detailed Explanation:
Let's examine the periodic group placement for each candidate:
Ba (Barium): Positioned in Group 2, constituting the alkaline earth metals.
Se (Selenium): Occupies Group 16, situated directly below sulfur. The vertical column for Group 16 reads Oxygen (O), Sulfur (S), Selenium (Se), Tellurium (Te), and Polonium (Po). Hence, it belongs to the oxygen family.
Rb (Rubidium): Located in Group 1, which comprises the alkali metals.
Ca (Calcium): Also placed in Group 2, representing the alkaline earth metals.

Step 3: Final Answer:
Selenium (Se) is the member of the oxygen family, corresponding to option (B).

Which element from following belongs to oxygen family?

Show Hint

The Correct Option is B

Solution and Explanation

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