Chemical BondingBond Order and Bond Length2711Choose the best answerIn which species is the N–N bond shortest?AN₂H₄BNH₃CN₂DN₂O Like 0 Discuss 0Share
Sindh MDCAT 2022 Chemistry#Isomorphism#Solids2712Choose the best answerQ.77 The two crystals NaNO₃ & CaCO₃ are both trigonal, they are:AIsomersBPolymorphsCAllotropesDIsomorph Like 0 Discuss 0Share
Stoichiometry Stoichiometry MCQS#Avogadro Constant2713Choose the best answerA mass of 1/N_A gram is approximately equal to which quantity?AThe mass of a protonBMolar massCOne atomic mass unit (u)DA and C Like 1 Discuss 0Share
Atomic StructureAufbau Principle and n + ℓ Rule2714Choose the best answerThe subshells 4f, 5d, 6p and 7s all have the same (n + ℓ) value. Which is filled first?A4fB6pC5dD7s Like 0 Discuss 0Share
Fundamental Principles of Organic ChemistryWöhler Synthesis and Rejection of Vital Force Theory2715Choose the best answerWöhler's experiment demonstrated that:AAn organic compound can be synthesized from an inorganic compound.BOrganic compounds are always ionic.CCarbon is absent from inorganic compounds.DOrganic compounds can exist only in living organisms. Like 0 Discuss 0Share