GasesCharles's Law356Choose the best answerEqual initial volumes of different ideal gases are heated from 20°C to 40°C at the same constant pressure. Their fractional increase in volume will be:ADifferent for every gasBProportional to molar massCThe sameDZero Like 0 Discuss 0Share
Chemistry of HydrocarbonsOzonolysis of Alkenes357Choose the best answerEthene on ozonolysis followed by Zn/H₂O produces:AMethanalBEthanalCPropanoneDMethanoic acid Like 0 Discuss 0Share
Atomic Structure STBAtomic Structure MCQs (STB)#Atomic Structure#Bohr Model358Choose the best answerCalculate the radius of the fourth Bohr orbit in a hydrogen atom.A2.11 ÅB4.23 ÅC8.46 ÅD16.92 Å Like 0 Discuss 1Share
Fundamental Principles of Organic ChemistryCommon and IUPAC Names of Hydrocarbons359Choose the best answerWhich pair is correctly matched?AIsoprene — Penta-1,3-dieneBIsoprene — 2-Methylbuta-1,3-dieneCIsoprene — 3-Methylbuta-1,3-dieneDIsoprene — Pent-2-ene Like 0 Discuss 0Share
StoichiometryMole Concept and Mass Comparison360Choose the best answerWhich sample has the greatest mass?A1 gram-atom of CB0.5 mol CH₄C10 mL H₂OD3.011 × 10²³ O atoms Like 1 Discuss 0Share