A. An endothermic change B. An exothermic change C. A slow reaction D. A rapid reaction Correct Answer: Option B…
A. Molecular collision B. Heat of reaction C. Catalyst D. Activation energy Correct Answer: Option D - Activation energy
A. Pale green B. Pale red C. Brown D. Colourless Correct Answer: Option A - Pale green Explanation A reaction…
PCl5(g) ↔ PCl3(g) + Cl2(g) A. Decelerate the reaction B. Increase the yield of PCl3 C. Increase the yield of…
A. ΔG < O B. ΔG = ΔH – TΔS C. ΔG > O D. ΔG = O Correct Answer:…
A. 2.01g B. 1.00g C. 4.02g D. 8.04g Correct Answer: Option C = 4.02g Explanation Zn2+ + 2e- → Zn…
A. F is increased B. E is increased C. E is reduced D. G is reduced Correct Answer: Option C…
A. React with solvent B. React with each other C. Dissolve in each other in the column D. Move at…
A. 69°C - 70°C B. 70°C – 74°C C. 82°C – 84°C D. 60°C – 78°C Correct Answer: Option C…
A. Molecular formula B. General formula C. Empirical formula D. Structural formula Correct Answer: Option C - Empirical formula