Podcast
Questions and Answers
What is a product formed when chlorine is passed through cold, dilute aqueous sodium hydroxide?
What is a product formed when chlorine is passed through cold, dilute aqueous sodium hydroxide?
Which of the following is NOT a product when potassium iodide reacts with concentrated sulfuric acid?
Which of the following is NOT a product when potassium iodide reacts with concentrated sulfuric acid?
What change would be expected to increase the time taken for solid sulfur to appear when sodium thiosulfate reacts with hydrochloric acid?
What change would be expected to increase the time taken for solid sulfur to appear when sodium thiosulfate reacts with hydrochloric acid?
What happens when the temperature is increased at constant pressure in a reversible reaction involving PCl3 and Cl2 to form PCl5?
What happens when the temperature is increased at constant pressure in a reversible reaction involving PCl3 and Cl2 to form PCl5?
Signup and view all the answers
What is the maximum volume, in dm3, measured at room temperature and pressure (r.t.p.), of gas produced from 3.69 g of lithium carbonate?
What is the maximum volume, in dm3, measured at room temperature and pressure (r.t.p.), of gas produced from 3.69 g of lithium carbonate?
Signup and view all the answers
How many molecular ion peaks are there in the mass spectrum of 1,2-dichloroethane containing isotopes 1H, 12C, 35Cl, and 37Cl?
How many molecular ion peaks are there in the mass spectrum of 1,2-dichloroethane containing isotopes 1H, 12C, 35Cl, and 37Cl?
Signup and view all the answers
In the reaction where graphite burns to form carbon monoxide, which of the following is correct?
In the reaction where graphite burns to form carbon monoxide, which of the following is correct?
Signup and view all the answers
What is the effect of increasing pressure at constant temperature on the rate of reaction and yield of PCl5(g)?
What is the effect of increasing pressure at constant temperature on the rate of reaction and yield of PCl5(g)?
Signup and view all the answers
When a chloroalkane is heated with dilute aqueous sodium hydroxide and the pure organic product shows no change in color when warmed with acidified potassium dichromate(VI) solution, which chloroalkane could it be?
When a chloroalkane is heated with dilute aqueous sodium hydroxide and the pure organic product shows no change in color when warmed with acidified potassium dichromate(VI) solution, which chloroalkane could it be?
Signup and view all the answers
In the context of two isomeric alcohols and two isomeric carbonyl compounds, which reaction is possible?
In the context of two isomeric alcohols and two isomeric carbonyl compounds, which reaction is possible?
Signup and view all the answers
Which compound would be expected to give a significant peak at m/z = 31 in its mass spectrum among the given options?
Which compound would be expected to give a significant peak at m/z = 31 in its mass spectrum among the given options?
Signup and view all the answers
If propanal is reduced instead of oxidized in a chemical reaction involving two isomeric alcohols and carbonyl compounds, what would be the expected outcome?
If propanal is reduced instead of oxidized in a chemical reaction involving two isomeric alcohols and carbonyl compounds, what would be the expected outcome?
Signup and view all the answers
What would be the effect on the yield of PCl5(g) if the pressure is decreased at constant temperature?
What would be the effect on the yield of PCl5(g) if the pressure is decreased at constant temperature?
Signup and view all the answers
Which statement about the reactivity of halogens is correct?
Which statement about the reactivity of halogens is correct?
Signup and view all the answers
A white solid X produces a red color in a flame test and forms a cream precipitate with silver nitrate that dissolves in ammonia. What is the formula of X?
A white solid X produces a red color in a flame test and forms a cream precipitate with silver nitrate that dissolves in ammonia. What is the formula of X?
Signup and view all the answers
If 50.0 cm³ of 2.00 mol dm⁻³ nitric acid reacts with 50.0 cm³ of 1.00 mol dm⁻³ barium hydroxide, what is the concentration of the resulting barium nitrate solution?
If 50.0 cm³ of 2.00 mol dm⁻³ nitric acid reacts with 50.0 cm³ of 1.00 mol dm⁻³ barium hydroxide, what is the concentration of the resulting barium nitrate solution?
Signup and view all the answers
If a burette has an uncertainty of ± 0.05 cm³, what is the percentage uncertainty in measuring 50.00 cm³ of a solution?
If a burette has an uncertainty of ± 0.05 cm³, what is the percentage uncertainty in measuring 50.00 cm³ of a solution?
Signup and view all the answers
Which halogen is least reactive?
Which halogen is least reactive?
Signup and view all the answers
Which ion is the strongest reducing agent?
Which ion is the strongest reducing agent?
Signup and view all the answers
What is the standard enthalpy of formation, $\Delta_f H$, of carbon monoxide?
What is the standard enthalpy of formation, $\Delta_f H$, of carbon monoxide?
Signup and view all the answers
What is the standard enthalpy of combustion, $\Delta_c H$, of carbon?
What is the standard enthalpy of combustion, $\Delta_c H$, of carbon?
Signup and view all the answers
Which type of intermolecular force is the strongest in solid hydrogen iodide, HI?
Which type of intermolecular force is the strongest in solid hydrogen iodide, HI?
Signup and view all the answers
Which of the given reactions is a disproportionation reaction?
Which of the given reactions is a disproportionation reaction?
Signup and view all the answers
Which of the given reactions is an acid-base reaction?
Which of the given reactions is an acid-base reaction?
Signup and view all the answers
Which statement about the stability and solubility of barium and magnesium compounds is correct?
Which statement about the stability and solubility of barium and magnesium compounds is correct?
Signup and view all the answers
