Preparing for the Joint Entrance Exam (JEE) can be a daunting task. With so many subjects to cover and so many topics to study, it can be challenging to know where to start. One essential topic in the JEE Mains syllabus is the The p – Block Elements. In this article, we will provide 50+ MCQ questions on the The p – Block Elements, along with detailed solutions to help you prepare for the JEE Mains exam.
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These 50+ MCQ questions are selected by the experts of studyrate.in and these are more difficult questions, which will help you to better understand The p – Block Elements JEE Mains MCQ Questions with Answers.
The p – Block Elements JEE Mains MCQ
Which of the following elements is known for exhibiting the highest oxidation state? a) Nitrogen b) Oxygen c) Fluorine d) Chlorine
Answer: c) Fluorine
Explanation: Fluorine, being the most electronegative element, can exhibit the highest oxidation state among the given options.
Which of the following compounds is known for its superacidic nature? a) HCl b) HNO3 c) H2SO4 d) H2SO3
Answer: c) H2SO4
Explanation: Among the given options, sulfuric acid (H2SO4) is known for its superacidic nature due to its strong acidic properties.
The hybridization state of the central atom in SF6 is: a) sp b) sp2 c) sp3 d) sp3d2
Answer: d) sp3d2
Explanation: In SF6, sulfur is surrounded by six fluorine atoms, indicating the octahedral geometry. To accommodate six bonding pairs and no lone pairs, the central sulfur atom undergoes sp3d2 hybridization.
Which of the following elements exhibits catenation property? a) Nitrogen b) Oxygen c) Sulfur d) Phosphorus
Answer: c) Sulfur
Explanation: Sulfur exhibits catenation property, which means it can form long chains or rings by bonding with other sulfur atoms.
Which of the following compounds acts as a Lewis acid? a) BF3 b) NH3 c) H2O d) HCl
Answer: a) BF3
Explanation: Boron trifluoride (BF3) acts as a Lewis acid because it can accept a pair of electrons from a Lewis base to form a coordinate covalent bond.
The compound PCl5 exists in which of the following geometries? a) Trigonal planar b) Tetrahedral c) Trigonal bipyramidal d) Octahedral
Answer: c) Trigonal bipyramidal
Explanation: PCl5 exhibits trigonal bipyramidal geometry, where the central phosphorus atom is surrounded by five chlorine atoms.
Which of the following elements shows anomalous behavior in its group? a) Nitrogen b) Oxygen c) Sulfur d) Carbon
Answer: b) Oxygen
Explanation: Oxygen shows anomalous behavior in its group due to its small size and high electronegativity, which deviate from the general trends exhibited by other elements in the same group.
Which of the following elements is known for exhibiting multiple oxidation states? a) Nitrogen b) Oxygen c) Sulfur d) Phosphorus
Answer: d) Phosphorus
Explanation: Phosphorus is known for exhibiting multiple oxidation states, including +1, +3, +4, and +5, in its compounds.
Which of the following compounds is an example of an interhalogen compound? a) NaCl b) KBr c) ICl3 d) CaF2
Answer: c) ICl3
Explanation: ICl3 is an example of an interhalogen compound, which is formed by the combination of two different halogen elements.
Which of the following oxides is known for its acidic nature? a) Na2O b) MgO c) SO2 d) Al2O3
Answer: c) SO2
Explanation: SO2 (sulfur dioxide) is known for its acidic nature, as it can react with water to form sulfurous acid.
The element with the highest electron affinity is: a) Fluorine b) Chlorine c) Bromine d) Iodine
Answer: a) Fluorine
Explanation: Fluorine has the highest electron affinity among the given options due to its small atomic size and high electronegativity.
Which of the following compounds is a strong reducing agent? a) HCl b) H2O c) HI d) H2SO4
Answer: c) HI
Explanation: Hydrogen iodide (HI) is a strong reducing agent due to the presence of iodine, which readily accepts electrons.
The halogen that forms the most stable oxyacid is: a) Fluorine b) Chlorine c) Bromine d) Iodine
Answer: d) Iodine
Explanation: Iodine forms the most stable oxyacid, known as periodic acid (HIO4), among the given options.
Which of the following compounds is commonly used as a refrigerant? a) CCl4 b) SiCl4 c) PCl5 d) SF6
Answer: a) CCl4
Explanation: Carbon tetrachloride (CCl4) is commonly used as a refrigerant due to its low boiling point and stability.
The element that forms the strongest acid among the following compounds is: a) Cl b) Br c) I d) At
Answer: a) Cl
Explanation: Chlorine (Cl) forms the strongest acid, known as hydrochloric acid (HCl), among the given options.
The compound XeF6 exhibits which of the following geometries? a) Linear b) Trigonal planar c) Square planar d) Octahedral
Answer: c) Square planar
Explanation: XeF6 exhibits a square planar geometry, where the central xenon atom is surrounded by six fluorine atoms.
Which of the following elements is known for its high electron gain enthalpy? a) Nitrogen b) Oxygen c) Sulphur d) Fluorine
Answer: d) Fluorine
Explanation: Fluorine has a high electron gain enthalpy due to its small atomic size and high electronegativity.
The compound H3PO4 is known as: a) Phosphorous acid b) Phosphoric acid c) Hypophosphorous acid d) Metaphosphoric acid
Answer: b) Phosphoric acid
Explanation: H3PO4 is known as phosphoric acid, which is a common oxyacid of phosphorus.
The process of converting a primary alcohol to an aldehyde involves the oxidation of: a) Carbon atom b) Oxygen atom c) Hydrogen atom d) Nitrogen atom
Answer: c) Hydrogen atom
Explanation: In the oxidation of a primary alcohol to an aldehyde, the process involves the removal of a hydrogen atom from the alcohol molecule.
Which of the following elements is known for exhibiting allotropy? a) Nitrogen b) Oxygen c) Sulfur d) Phosphorus
Answer: c) Sulfur
Explanation: Sulfur is known for exhibiting allotropy, where it exists in different forms, such as rhombic sulfur and monoclinic sulfur.
The compound commonly used as a dehydrating agent is: a) H2SO4 b) HNO3 c) HCl d) H3PO4
Answer: a) H2SO4
Explanation: Sulfuric acid (H2SO4) is commonly used as a dehydrating agent due to its strong affinity for water.
Which of the following elements is known for exhibiting positive oxidation states up to +7? a) Nitrogen b) Oxygen c) Sulphur d) Phosphorus
Answer: d) Phosphorus
Explanation: Phosphorus is known for exhibiting positive oxidation states up to +7 in its compounds.
The compound commonly used as a reducing agent in the laboratory is: a) HI b) H2O c) HNO3 d) HCl
Answer: a) HI
Explanation: Hydrogen iodide (HI) is commonly used as a reducing agent in the laboratory due to the presence of iodine, which readily accepts electrons.
The compound formed between ammonia and boron trifluoride is known as: a) Ammonium fluoride b) Ammonium boride c) Ammonium borofluoride d) Ammonium tetrafluoroborate
Answer: c) Ammonium borofluoride
Explanation: The compound formed between ammonia and boron trifluoride is known as ammonium borofluoride.
The element that exhibits the highest oxidation state in its compounds is: a) Nitrogen b) Oxygen c) Sulphur d) Phosphorus
Answer: a) Nitrogen
Explanation: Nitrogen exhibits the highest oxidation state of +5 in its compounds, such as nitric acid (HNO3).
The compound commonly used as a fertilizer is: a) NH3 b) NH4Cl c) (NH4)2SO4 d) NH4OH
Answer: c) (NH4)2SO4
Explanation: Ammonium sulfate ((NH4)2SO4) is commonly used as a fertilizer due to its high nitrogen and sulfur content.
The process of converting a primary amine to a secondary amine involves the reaction with: a) Oxygen b) Hydrogen c) Nitrogen d) Alkyl halide
Answer: d) Alkyl halide
Explanation: The conversion of a primary amine to a secondary amine involves the reaction with an alkyl halide, where the alkyl group replaces one of the hydrogen atoms in the primary amine.
The compound commonly used as a bleaching agent is: a) NaOH b) Na2CO3 c) H2O2 d) NaCl
Answer: c) H2O2
Explanation: Hydrogen peroxide (H2O2) is commonly used as a bleaching agent due to its oxidizing properties.
The element that forms the largest number of compounds is: a) Nitrogen b) Oxygen c) Sulphur d) Phosphorus
Answer: b) Oxygen
Explanation: Oxygen forms the largest number of compounds among the given options due to its high electronegativity and ability to form multiple bonds.
The compound commonly used as a preservative for pickles is: a) Sodium benzoate b) Sodium chloride c) Sodium sulfate d) Sodium nitrite
Answer: d) Sodium nitrite
Explanation: Sodium nitrite (NaNO2) is commonly used as a preservative for pickles due to its antimicrobial properties.
We hope there JEE MCQ of Class 12 : The p – Block Elements will help you to score an excellent rank in JEE Mains and Advanced. If you have any queries feel free to write in the comments section. We at Study Rate are always ready to serve our students.
