Sindh MDCAT 2020 Chemistry#Magnetic Properties#Transition Elements51Choose the best answerAmong the following 3d-series ions, which has the greatest number of unpaired electrons?ACr³⁺BTi³⁺CV³⁺DZn²⁺ Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Benzene & Aromatic Compounds#Benzene Sulphonation52Choose the best answerElectrophile in sulphonation of benzene is: (Sindh MDCAT 2020)AHSO₄⁻BH₂SO₄CSO₃DHSO₃⁻ Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Carboxylic Acids#Reactivity of Carboxylic Acid Derivatives53Choose the best answerThe exact reactivity order for carboxylic acid derivatives is: (Sindh MDCAT 2020)AAmide > Acyl chloride > EsterBAcyl chloride > Anhydride > EsterCAnhydride > Acyl chloride > EsterDEster > Anhydride > Acyl chloride Like 1 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Atomic Structure#Electronic Configuration54Choose the best answerElectronic configuration of chromium is: (Sindh MDCAT 2020)A[Ar] 3d⁴ 4s²B[Ar] 3d⁵ 4s²C[Ar] 3d⁵ 4s¹D[Ar] 3d⁶ 4s² Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Haber Process#Industrial Chemistry55Choose the best answerThe equation N₂ + 3H₂ ⇌ 2NH₃ represents: (Sindh MDCAT 2020)AContact processBHaber's processCSolvay processDAvogadro's law Like 0 Discuss 0Share