Circle the correct answer Which one of the following solution will conduct elect

Question

Circle the correct answer Which one of the following solution will conduct electricity the best? A. 0.1 M CH coom B. 0.1 M CaCla C. 0.1 M NaCl D. 0.1 M HCI E. A through D will be equally conductive 2. Consider the tipllowing oxidation-reduction geaction: Which of the following statements is truesibout the reaction above? A. Na is the oxidizing agent. B. CHs is the reducing agent. C. N is oxidized. D. H:O is reduced. E O is reduced. 3. Which of the following statement on properties of gas is not correcet? of gas is not correct? A. When ideal gas molecules collide, they attract each other due to gravity B. Molecules of an ideal gas are in constant random motion. C. Molecular volume of an ideal gas is extremely small compared to the container D. Pressure is caused by molecular collisions with the walls of the container. E. Higher temperature increases the average kinetic energy of the molecules. 4. Which one of following reaction is categorized incorrectly? A. 2 Na + Cl2 2 NaCl : oxidation reduction reaction B. H2SO4 + Ba(NO3)2 BaSO4 + 2 HNO3 : precipitation reaction C. HCI + NH3 NH4Cl : acid/base reaction D. H2CO3 H2O + CO2 : decomposition reaction E. Ca(NO3)2 + 2 NaOH Ca(OH)2 + 2NaNO: precipitation reaction 5. The reaction of H2 and Cl is exothermic. Which statement is the most representativ A. Two HCl molecules are in a higher energy than are one H2 and one Cl B. Reaction container will become cold and frosty as the reaction progresses C. In STP, the mixture of one mole H2 and one mole Cl2 is more stable than two HCL D. Two H-CI bonds are stronger than one H-H and one CI-Cl bond E. All of above are incorrect

Explanation / Answer

The correct answers are

1. D, 0.1M HCl

2. B, CH4 is the reducing agent

3. A

4. A

5. E, all of the above are in correct

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