Chemical equilibrium 01Chemical equilibrium #Reaction Progress2886Choose the best answerFor H₂(g) + I₂(g) ⇌ 2HI(g), why does the concentration of HI initially increase?AThe reverse reaction is initially fasterBThe forward reaction produces HICH₂ and I₂ are formed from HIDHI is initially present in excess Like 0 Discuss 0Share
Chemistry of HydrocarbonsReactivity in Electrophilic Aromatic Substitution2887Choose the best answerWhich compound is least reactive toward electrophilic bromination of the aromatic ring?ANitrobenzeneBPhenolCAnisoleDChlorobenzene Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Wave Relations2888Choose the best answerWhich relation correctly connects frequency (ν), wavenumber (ν̄) and the speed of light (c)?Aν = ν̄/cBν = cν̄Cν = ν̄ + cDν = c/ν̄ Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Hund's Rule2889Choose the best answerWhy are singly occupied degenerate orbitals relatively stable?AMinimize interelectronic repulsion and provide exchange-energy stabilizationBIncrease electron-electron repulsionCPossess higher intrinsic energyDEliminate nuclear attraction Like 1 Discuss 0Share
LiquidsRelative Strength of Intermolecular Forces2890Choose the best answerWhich is the strongest intermolecular force among the following?AHydrogen bondingBDipole-induced dipole forceCDipole–dipole forceDLondon dispersion force Like 0 Discuss 0Share