Chemical BondingSigma and Pi Bonds101Choose the best answerWhich type of orbital forms σ bonds but not π bonds?Asp hybrid orbitalBdsp³ hybrid orbitalCs orbitalDAll of these Like 0 Discuss 0Share
MDCAT Chemistry Paper 2025#Bond Length and Bond Energy#Chemical Bonding102Choose the best answerCorrect order of bond energy will be: (IBA MDCAT 2025)AHCl > HBr > HIBHBr > HCl > HICHI > HCl > HBrDHCl > HI > HBr Like 0 Discuss 0Share
Chemical BondingHydrogen Bonding103Choose the best answerWhich molecule cannot form conventional hydrogen bonds with another molecule of the same substance?ACH₃CHOBCH₃NH₂CCH₃OHDNH₃ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Chemical Bonding#Electrostatic Constants104Choose the best answerWhat is the approximate value of the permittivity of free space, ε₀?A8.84 × 10⁻¹² C² J⁻¹ m⁻¹B6.625 × 10⁻³⁴ J sC9.11 × 10⁻³¹ kgD1.602 × 10⁻¹⁹ C Like 0 Discuss 0Share
Chemical BondingSigma Bond Formation105Choose the best answerWhen two half-filled atomic orbitals overlap head-on along the internuclear axis, they form a:Aσ bondBHydrogen bondCπ bondDMetallic bond Like 0 Discuss 0Share