p-Block Elements

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Q1. Which of the following elements is most likely to form an anion? (2023)

Solution:

Fluorine (F) is highly electronegative and readily forms anions (F-).

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Q2. Which of the following is the most acidic among the following oxides? (2019)

Solution:

P2O5 is the most acidic oxide among the given options, as it forms phosphoric acid in water.

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Q3. Which p-block element is essential for the formation of DNA? (2023) 2023

Solution:

Phosphorus is essential for the formation of DNA as it is part of the backbone structure.

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Q4. Which element is known for its ability to form a stable +3 oxidation state? (2022)

Solution:

Aluminium commonly exhibits a stable +3 oxidation state in its compounds.

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Q5. What is the primary use of boron in industry? (2019) 2019

Solution:

Boron is primarily used in the production of glass and ceramics.

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Q6. Which of the following elements is most likely to form covalent bonds? (2023)

Solution:

Chlorine (Cl) is a non-metal and tends to form covalent bonds.

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Q7. Which p-block element is known for its allotropes including diamond and graphite? (2020) 2020

Solution:

Carbon is known for its allotropes, including diamond and graphite.

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Q8. Which of the following compounds is an example of a p-block element compound? (2020)

Solution:

AlCl3 is a compound formed from a p-block element (Aluminum) and is a classic example of p-block chemistry.

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Q9. What is the maximum oxidation state of phosphorus in its compounds? (2021)

Solution:

Phosphorus can exhibit a maximum oxidation state of +5 in compounds like PCl5.

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Q10. Which of the following elements is most likely to form a covalent bond? (2023)

Solution:

Chlorine (Cl) is a non-metal and is most likely to form covalent bonds.