List of top Chemistry Questions

Highest oxidation numbers for chromium and manganese:
Choose the correct ascending order of ionization energy for Zn, Cu, Ag:
Rank elements Li, Be, B, C in increasing first ionization energy:
What is the bond order for diatomic carbon according to molecular orbital theory?
Which compound’s common name is cumene?
For a proton and electron both with the same kinetic energy, what is the ratio of their de Broglie wavelengths?
Evaluate these statements about transition metals:
If the rate constant is measured in per second, which reaction order does this indicate?
Match each type of reduction to its reagent:
Which statement correctly contrasts Clemmensen and Wolff-Kishner reductions?
What is the pH of a solution with a \( \text{H}^+ \) concentration of \( 1 \times 10^{-3} \) mol/L?
Which of the following gases will have the highest rate of diffusion at the same temperature and pressure?
Which of the following is the major product of the reaction between 1-bromobutane and potassium hydroxide in ethanol?
How many moles are present in \(44\, \text{g}\) of \(CO_2\)?
(Molar mass of \(CO_2 = 44\, \text{g/mol}\))
What is the molar mass of \( \text{NaCl} \)?
What is the oxidation number of sulfur in \( \text{H}_2\text{SO}_4 \)?
What is the molar volume of an ideal gas at standard temperature and pressure (STP)?
What is the oxidation state of sulfur in \( \text{H}_2\text{SO}_4 \)?
Which of the following gases has the highest density at STP?
Which of the following is an example of a redox reaction?
Which of the following is an example of a redox reaction?
What is the molecular weight of \( \text{CaCO}_3 \)?
What volume of \( 0.5 \, \text{M} \, \text{NaOH} \) is required to neutralize \( 50 \, \text{mL} \) of \( 1 \, \text{M} \, \text{HCl} \)?
Which of the following is a characteristic of a coordination compound?
What is the molar volume of an ideal gas at standard temperature and pressure (STP)?