BUMHS MDCAT 2025 Chemistry#Electrochemistry#Oxidation Number Method41Choose the best answerNO₂⁻ → NO₃⁻ + ne⁻. Value of "n" by the oxidation number method is: (BUMHS MDCAT 2025)A1B2C3D6 Like 0 Discuss 0Share6
BUMHS MDCAT 2025 Chemistry#Chemical Bonding#Dipole Moment42Choose the best answerNH₃ has net dipole moment but BF₃ has zero net dipole moment because of? (BUMHS MDCAT 2025)AB is less E.N than NBF is more E.N than NCBF₃ is pyramidalDNH₃ is pyramidal Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Chemical Bonding#Dipole-Dipole Forces43Choose the best answerIf molecules have strong dipole dipole force, then they have high? (BUMHS MDCAT 2025)Aheat of neutralizationBheat of combustionCheat of vaporizationDheat atomization Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Chemical Bonding#Dipole Moment44Choose the best answerThe molecules that has non zero dipole moment is? (BUMHS MDCAT 2025)ACO₂BCOCBF₃DAlCl₃ Like 0 Discuss 0Share
BUMHS MDCAT 2025 Chemistry#Alkyl Halides#SN1 Reaction45Choose the best answerWhich nucleophilic substitution mechanism involves a carbocation intermediate? (BUMHS MDCAT 2025)AE1 mechanismBE2 mechanismCSN₁ mechanismDSN₂ mechanism Like 0 Discuss 0Share