Atomic StructureIsotopes156Choose the best answerThe isotope ¹⁸O contains:A18 protonsB9 protons and 9 neutronsC8 neutrons and no protonsD8 protons and 10 neutrons Like 0 Discuss 0Share
GasesReal Gases and van der Waals Equation157Choose the best answerGases show significant deviation from ideal behaviour at high pressure mainly because:AIntermolecular forces and molecular volume become significantBGas molecules begin to move only in one directionCThe actual volume of gas molecules becomes zeroDIntermolecular forces become completely negligible Like 0 Discuss 0Share
Chemistry of HydrocarbonsKolbe's Electrolysis158Choose the best answerElectrolysis of sodium propionate, CH₃CH₂COONa, gives:AEthaneBButaneCPropaneDPentane Like 0 Discuss 0Share
GasesIdeal Gas Equation and Gas Concentration159Choose the best answerFor n moles of an ideal gas, its concentration n/V is:AP/RTBRT/PCPT/RDR/PT Like 0 Discuss 0Share
Atomic StructureShells, Subshells and Orbitals160Choose the best answerHow many orbitals are present in the shell with n = 2?A2B3C4D9 Like 0 Discuss 0Share