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NEET UG CHEMISTRY Multiple Choice Questions (MCQs)

MCQs - P-Block Elements (Group 13 to Group 18)

Which of the following is the general electronic configuration of the elements in Group 13 of the periodic table?
a) ns²np³
b) ns²np⁶
c) ns²np²
d) ns²npx²
Answer: a) ns²np³
What is the trend in atomic radius as we move from left to right across a period in the p-block elements?
a) Increases
b) Decreases
c) Remains constant
d) First decreases, then increases
Answer: b) Decreases
Which of the following elements exhibits the highest electronegativity in Group 13?
a) Boron (B)
b) Gallium (Ga)
c) Aluminium (Al)
d) Indium (In)
Answer: a) Boron (B)
Which of the following statements is true about the Group 14 elements?
a) They have a valency of 2.
b) They readily form anions.
c) Carbon is the most electronegative element in this group.
d) They form only covalent bonds.
Answer: c) Carbon is the most electronegative element in this group.
Which of the following Group 15 elements has the highest ionization enthalpy?
a) Nitrogen (N)
b) Phosphorus (P)
c) Arsenic (As)
d) Antimony (Sb)
Answer: a) Nitrogen (N)
Which of the following Group 16 elements is most likely to form an acidic oxide?
a) Oxygen (O)
b) Sulfur (S)
c) Selenium (Se)
d) Tellurium (Te)
Answer: a) Oxygen (O)
Which of the following elements has the highest first ionization enthalpy in Group 18?
a) Helium (He)
b) Neon (Ne)
c) Argon (Ar)
d) Krypton (Kr)
Answer: a) Helium (He)
What is the trend in the atomic size of Group 18 elements as we move down the group?
a) Increases
b) Decreases
c) Remains constant
d) First increases, then decreases
Answer: a) Increases
Which of the following statements about the first element of each group in the p-block is correct?
a) The first element shows maximum electropositivity in its group.
b) The first element is usually less electronegative than the subsequent elements in the group.
c) The first element has a higher ionization enthalpy compared to the other elements in the group.
d) The first element has a higher atomic radius compared to other elements in the group.
Answer: c) The first element has a higher ionization enthalpy compared to the other elements in the group.
Which of the following Group 17 elements has the lowest ionization enthalpy?
a) Fluorine (F)
b) Chlorine (Cl)
c) Bromine (Br)
d) Iodine (I)
Answer: d) Iodine (I)
Which of the following p-block elements has the highest boiling point?
a) Oxygen (O)
b) Sulfur (S)
c) Nitrogen (N)
d) Phosphorus (P)
Answer: b) Sulfur (S)
Which of the following is the most common oxidation state of the Group 15 elements?
a) +3
b) +5
c) +1
d) -3
Answer: b) +5
Which of the following is true for Group 13 elements?
a) They have a tendency to form acidic oxides.
b) They readily form anions.
c) They have a high tendency to form cations.
d) They form only covalent bonds.
Answer: c) They have a high tendency to form cations.
Which of the following elements has the lowest electronegativity in Group 16?
a) Oxygen (O)
b) Sulfur (S)
c) Selenium (Se)
d) Tellurium (Te)
Answer: d) Tellurium (Te)
What is the general trend in metallic character of the p-block elements as we move from top to bottom in a group?
a) Increases
b) Decreases
c) Remains constant
d) Increases first, then decreases
Answer: a) Increases

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NEET UG CHEMISTRY Multiple Choice Questions (MCQs)

MCQs - P-Block Elements (Group 13 to Group 18)

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