Q. Which of the following is a property of group 17 elements?
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A.
They are all gases
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B.
They are all metals
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C.
They are highly electronegative
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D.
They have low ionization energies
Solution
Group 17 elements, also known as halogens, are highly electronegative.
Correct Answer: C — They are highly electronegative
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Q. Which of the following is a property of halogens?
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A.
Good conductors of electricity
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B.
Diatomic molecules
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C.
High melting points
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D.
All are gases at room temperature
Solution
Halogens exist as diatomic molecules (e.g., Cl2, F2) in their elemental form.
Correct Answer: B — Diatomic molecules
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Q. Which of the following is a property of p-block metals?
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A.
High density
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B.
Low melting point
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C.
Good electrical conductivity
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D.
Brittle
Solution
P-block metals, such as Lead and Tin, are generally brittle.
Correct Answer: D — Brittle
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Q. Which of the following is a property of the p-block element carbon?
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A.
Good conductor of electricity
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B.
Forms strong ionic bonds
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C.
Can form multiple bonds
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D.
High density
Solution
Carbon can form multiple bonds, such as double and triple bonds, due to its tetravalency.
Correct Answer: C — Can form multiple bonds
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Q. Which of the following is not a p-block element?
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A.
Carbon
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B.
Boron
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C.
Sodium
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D.
Nitrogen
Solution
Sodium is an s-block element, while the others are p-block elements.
Correct Answer: C — Sodium
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Q. Which of the following is the most electronegative element in the p-block?
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A.
Fluorine
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B.
Chlorine
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C.
Oxygen
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D.
Nitrogen
Solution
Fluorine is the most electronegative element in the p-block.
Correct Answer: A — Fluorine
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Q. Which of the following p-block elements has the highest electronegativity?
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A.
Fluorine
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B.
Oxygen
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C.
Nitrogen
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D.
Chlorine
Solution
Fluorine has the highest electronegativity among all elements.
Correct Answer: A — Fluorine
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Q. Which of the following p-block elements is a metalloid?
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A.
Boron
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B.
Carbon
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C.
Silicon
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D.
Phosphorus
Solution
Boron is a metalloid among the p-block elements.
Correct Answer: A — Boron
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Q. Which of the following p-block elements is essential for life?
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A.
Arsenic
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B.
Phosphorus
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C.
Bismuth
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D.
Lead
Solution
Phosphorus is essential for life, particularly in DNA and ATP.
Correct Answer: B — Phosphorus
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Q. Which of the following p-block elements is essential for plant growth?
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A.
Boron
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B.
Lead
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C.
Arsenic
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D.
Bismuth
Solution
Boron is an essential micronutrient for plant growth.
Correct Answer: A — Boron
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Q. Which of the following p-block elements is known for forming a stable +4 oxidation state?
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A.
Carbon
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B.
Silicon
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C.
Germanium
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D.
Tin
Solution
Tin (Sn) is known for forming a stable +4 oxidation state.
Correct Answer: D — Tin
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Q. Which of the following p-block elements is known for forming stable +3 oxidation state compounds?
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A.
Aluminum
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B.
Silicon
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C.
Carbon
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D.
Lead
Solution
Aluminum commonly forms stable +3 oxidation state compounds.
Correct Answer: A — Aluminum
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Q. Which of the following p-block elements is known for forming stable +3 oxidation state?
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A.
Bismuth
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B.
Lead
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C.
Tin
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D.
Thallium
Solution
Thallium is known for forming a stable +3 oxidation state.
Correct Answer: D — Thallium
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Q. Which p-block element is known for forming a stable +4 oxidation state?
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A.
Carbon
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B.
Silicon
-
C.
Germanium
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D.
Tin
Solution
Tin (Sn) is known for forming a stable +4 oxidation state.
Correct Answer: D — Tin
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Q. Which p-block element is known for forming strong covalent bonds?
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A.
Nitrogen
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B.
Oxygen
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C.
Fluorine
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D.
All of the above
Solution
All of the listed elements (Nitrogen, Oxygen, Fluorine) are known for forming strong covalent bonds.
Correct Answer: D — All of the above
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Q. Which p-block element is known for its ability to form multiple allotropes?
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A.
Carbon
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B.
Phosphorus
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C.
Sulfur
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D.
Arsenic
Solution
Phosphorus can exist in several allotropes, including white, red, and black phosphorus.
Correct Answer: B — Phosphorus
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Q. Which p-block element is known for its allotropes including diamond and graphite?
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A.
Silicon
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B.
Carbon
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C.
Phosphorus
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D.
Boron
Solution
Carbon is known for its allotropes, including diamond and graphite.
Correct Answer: B — Carbon
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