Classification of Elements and Periodicity in Properties

7 solved questions from Class 11 Chemistry, each with the full working. Tap any question to see the step-by-step solution.

• 1 What is the primary chemical reaction or bonding mechanism highlighted in 'Classification of Elements and Periodicity in Properties' (Class 11)? medium MCQ Reaction Mechanism & Bonding
• 2 What factor affects the rate or equilibrium constant of reactions in 'Classification of Elements and Periodicity in Properties'? medium MCQ Chemical Kinetics & Factors
• 3 Which functional group or IUPAC nomenclature rule applies to compounds in 'Classification of Elements and Periodicity in Properties'? medium MCQ IUPAC Nomenclature & Structure
• 4 What is the major product obtained in the characteristic reaction of 'Classification of Elements and Periodicity in Properties'? medium MCQ Reaction Products & Selectivity
• 5 Which of the following elements is a metalloid? A) Na B) Si C) Cu D) Al easy MCQ 1 mark Identify metalloid
• 6 Explain why the atomic radius of sodium (Na) is larger than that of magnesium (Mg), even though they belong to the same period. medium 2 marks Atomic radius trend
• 7 Explain why the electronegativity of oxygen is higher than that of sulfur, even though both are in the same group. medium 2 marks Electronegativity trend down a group