XIIMDCAT Chemistry Test#Aldehydes and Ketones#Carbonyl Compounds2256Choose the best answerChoose the correct decreasing order of reactivity toward nucleophilic addition.AAcetophenone > Benzaldehyde > BenzophenoneBBenzophenone > Acetophenone > BenzaldehydeCBenzaldehyde > Acetophenone > BenzophenoneDBenzaldehyde > Benzophenone > Acetophenone Like 0 Discuss 0Share
Chemical EquilibriumRelationship Between Kp and Kc2257Choose the best answerFor which reaction is Kp > Kc?AN₂(g) + 3H₂(g) ⇌ 2NH₃(g)BH₂(g) + I₂(g) ⇌ 2HI(g)CPCl₃(g) + Cl₂(g) ⇌ PCl₅(g)D2SO₃(g) ⇌ O₂(g) + 2SO₂(g) Like 0 Discuss 0Share
Sindh MDCAT 2020 Chemistry#Electronegativity#Periodic Trends2258Choose the best answerWhich of the following has the highest value of electronegativity? (Sindh MDCAT 2020)AIBBrCClDF Like 0 Discuss 0Share
LiquidsHydrogen Bonding in Water2259Choose the best answerHydrogen bonding is more extensive in water than in HF mainly because:AFluorine forms no hydrogen bondsBFluorine is less electronegative than oxygenCOxygen is always positively chargedDEach H₂O molecule can participate in more hydrogen bonds Like 0 Discuss 0Share
Industrial ChemistryTemporary Hair Dyes2260Choose the best answerTemporary hair dyes differ from permanent hair dyes mainly because temporary dyes:ARemain until the hair grows out.BWash out after a few washes.CAlways require hydrogen peroxide.DPermanently alter the natural hair pigment. Like 0 Discuss 0Share