List of top Chemistry Questions

Oil of wintergreen is chemically known as:
The magnetic moment of \(Cr^{3+}\) ion is \(3.87\ \text{BM}\). The number of unpaired electrons present is:
Identify the unit of rate constant for a first-order reaction.
The rate of reaction \(A \rightarrow P\) is \(1.25 \times 10^{-2}\ \text{mol dm}^{-3}\text{s}^{-1}\) when \([A] = 0.5\ \text{M}\). Calculate the rate constant if the reaction is second order in \(A\).
Which of the following is not amphoteric in nature?
What is formed when an alkyl cyanide reacts with sodium in ether?
What is the oxidation state of sulfur in Marshall's acid, \(H_2S_2O_8\)?
A solution is prepared by dissolving \(2\) gram of non-volatile solute in \(500\) mL solution at \(27^\circ\text{C}\). The osmotic pressure of the solution is \(0.82\) atm. The molar mass of the solute is:
Which of the following compound is not in gaseous phase at \(25^\circ\text{C}\)?
In an isothermal expansion of an ideal gas, the heat supplied to the gas is:
Which of the following mixtures of gases represent water gas?
Which of the following is a correct set of four quantum numbers for a 4d orbital?
Which of the following forces is involved in dinitrogen?
Which of the following equations gives the combined relationship of Boyle's law and Charles's law?
Find the concentration of sodium acetate when added to \(0.1\ \text{M}\) solution of acetic acid to form a buffer solution of \(pH = 5.5\). (Given: \(pK_a\) of \(\text{CH}_3\text{COOH} = 4.5\))
The solubility product of AgBr is \(4.9 \times 10^{-13}\) at a certain temperature. Calculate the molar solubility of AgBr.
Oil of wintergreen is chemically known as:
What is the oxidation state of sulfur in Marshall's acid (H$_2$S$_2$O$_8$)?
A solution is prepared by dissolving 2 g of a non-volatile solute in 500 mL of solution at \(27^{\circ}\text{C}\). The osmotic pressure of the solution is 0.82 atm. The molar mass of the solute is:
11. Which of the following compounds is NOT in the gaseous phase at \(25^{\circ}\text{C}\)?
Which of the following electrolytic solutions of the same electrolyte has Maximum electrolytic conductivity at the same temp?
Which of the following mixtures of gases represent water gas?
Identify unit of rate constant for first order reaction from the following.
Which of the following is a correct set of four quantum numbers for 4d orbital?
The rate of reaction $A \rightarrow P$ is $1.25 \times 10^{-2}$ mol dm$^{-3}$ s$^{-1}$ when $[A] = 0.5$ M. Calculate the rate constant if the reaction is second order in A.