Chemical BondingPi Bond Formation1431Choose the best answerWhich statement about a π bond is incorrect?AIt is formed directly from sp hybrid orbitalsBIt is formed by sideways overlap of parallel p orbitalsCIt normally forms in addition to an existing σ bondDIt is generally weaker than a σ bond Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model1432Choose the best answerAccording to Bohr’s quantization condition, electron angular momentum is an integral multiple of:Ah/πBh/2πC2π/hDh/2π² Like 0 Discuss 0Share
Atomic Structurede Broglie Equation1433Choose the best answerThe de Broglie equation relates the wavelength of a moving particle to its:AMass onlyBEnergy onlyCMomentumDCharge Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Aldehydes and Ketones#Reactions of Acetone1434Choose the best answerQ.71 Acetone gives:AFehling solution test positiveBSilver mirror test positiveCLucas test positiveDIodoform test positive Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and VSEPR Theory1435Choose the best answerHeavy water, D₂O, contains two bond pairs and two lone pairs around oxygen. Its molecular shape is:ATrigonal planarBTrigonal pyramidalCBentDSquare planar Like 0 Discuss 0Share