Podcast
Questions and Answers
Which of the following represents the correct increasing order of bond angles in OF2, OCl2, ClO2, and H2O?
Which of the following represents the correct increasing order of bond angles in OF2, OCl2, ClO2, and H2O?
- OF2 < Cl2O < H2O < ClO2 (correct)
- OF2 < H2O < OCl2 < ClO2
- ClO2 < Cl2O < OF2 < H2O
- H2O < F2O < Cl2O < ClO2
In the balanced equation BaCrO4 + KI + HCl -> BaCl2 + I2 + KCl + CrCl3 + H2O, the coefficients of BaCrO4, KI, CrCl3, and KCl are respectively:
In the balanced equation BaCrO4 + KI + HCl -> BaCl2 + I2 + KCl + CrCl3 + H2O, the coefficients of BaCrO4, KI, CrCl3, and KCl are respectively:
- 6, 2, 6, 6
- 2, 6, 6, 2
- 2, 6, 2, 6
- 6, 2, 2, 6 (correct)
Which metal exhibits the highest chemical reactivity based on the given data?
Which metal exhibits the highest chemical reactivity based on the given data?
- K
- Li (correct)
- Na
- Rb
Which alkali metal has the highest ionization enthalpy?
Which alkali metal has the highest ionization enthalpy?
In the reaction 2HI(g) -> H2(g) + I2(g), if the rate constant for decomposition on a metal surface is 0.06 Ms^-1, how long does it take for the concentration of HI to decrease from 1.50 M to 0.30 M?
In the reaction 2HI(g) -> H2(g) + I2(g), if the rate constant for decomposition on a metal surface is 0.06 Ms^-1, how long does it take for the concentration of HI to decrease from 1.50 M to 0.30 M?
Among BaCrO4, KI, CrCl3, and KCl in the reaction BaCrO4 + KI + HCl -> BaCl2 + I2 + KCl + CrCl3 + H2O, which compound has the coefficient of 6?
Among BaCrO4, KI, CrCl3, and KCl in the reaction BaCrO4 + KI + HCl -> BaCl2 + I2 + KCl + CrCl3 + H2O, which compound has the coefficient of 6?
What is the minimum uncertainty in the velocity of a particle with a mass of 1.1 x 10^-28 kg if its uncertainty in position is 3 x 10^-10 cm?
What is the minimum uncertainty in the velocity of a particle with a mass of 1.1 x 10^-28 kg if its uncertainty in position is 3 x 10^-10 cm?
