SINDH MDCAT 2019 CHEMISTRY#Downs Cell#Electrochemistry56Choose the best answerDown's cell is used to prepare: (Sindh MDCAT 2019)ASodium carbonateBSodium bicarbonateCSodium hydroxideDSodium metal Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Gases#Ideal Gas Equation57Choose the best answerThe value of R (the gas constant) is: (Sindh MDCAT 2019)A0.0821 dm³ atm K mole⁻¹B803143 Nm K⁻¹ moleC0.0821 dm³ atm K⁻¹ mole⁻¹D8.3143 dm³ atm K⁻¹ mole⁻¹ Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Chemical Kinetics#Order of Reaction58Choose the best answerWhat is the order of the following reaction (2NO + O₂ → 2NO₂): (Sindh MDCAT 2019)A0B1C2D3 Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Benzene & Aromatic Compounds#Benzene Sulphonation59Choose the best answerThe electrophile in aromatic sulphonation is: (Sindh MDCAT 2019)AH₂SO₄BHSO₄⁻CSO₃H⁺DSO₃ Like 0 Discuss 0Share
SINDH MDCAT 2019 CHEMISTRY#Chemical Equilibrium#Effect of Temperature on Equilibrium60Choose the best answerWhich statement about the following equilibrium is correct (2SO₂ + O₂ ⇌ 2SO₃, ΔH = -395 kJ/mole)? (Sindh MDCAT 2019)AThe value of Kₚ falls with rise in temperatureBThe value of Kₚ falls with increase in pressureCThe value of Kₚ is equal to K꜀DThe value of Kₚ remains constant with rise in temperature Like 0 Discuss 0Share