Atomic StructureAufbau Principle and Orbital Energy3086Choose the best answerWhich subshell has the highest energy among the following in a multi-electron atom?A3pB3dC4sD3s Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryEnantiomers3087Choose the best answerOptical mirror-image isomers are called:AConstitutional isomersBEnantiomersCMetamersDTautomers Like 0 Discuss 0Share
Chemical BondingMolecular Geometry and Lone Pairs3088Choose the best answerWhy is BCl₃ trigonal planar whereas PH₃ is trigonal pyramidal?ABCl₃ has three bond pairs and no lone pair on B, whereas PH₃ has three bond pairs and one lone pair on PBBCl₃ is ionic whereas PH₃ is covalentCPH₃ contains a double bondDBoron has a larger atomic radius than phosphorus Like 0 Discuss 0Share
ElectrochemistryOxidation and Reduction3089Choose the best answerDuring oxidation, the oxidation number of an element:AIncreasesBDecreasesCAlways becomes zeroDRemains unchanged Like 0 Discuss 0Share
Aldehydes and KetonesTollens' Test3090Choose the best answerTollens' reagent is:AAmmoniacal AgNO₃ solutionBAmmoniacal CuSO₄ solutionCAcidified K₂Cr₂O₇ solutionDZn(Hg)/HCl Like 0 Discuss 0Share