List of top Chemistry Questions

The number of carbon atoms per unit cell of diamond unit cell is :
An excess of $AgNO_3$ is added to 100 mL of a 0.01 M solution of dichlorotetraaquachromium(III) chloride. The number of moles of $AgCl$ precipitated would be :
One mole of solid iron was vaporized in an oven at its boiling point of 3443 K and enthalpy of vaporization of iron is 344.3 kJ mol$^{-1}$. The value of entropy vaporization (in J mol$^{-1}$) of iron is
Specify the coordination number of cobalt in $\left[ Co ( CN )\left( H _{2} O \right)( en )_{2}\right]^{2+}$
According to collision theory of chemical reactions rates of the reaction increase with increase in the temperature of a reaction because of
What will be the freezing point of $1\%$ solution of glucose in water, given that molal depression constant for water is $ 1.84\,K\, mol^{-1}$
Which type of isomerism is exhibited by $\left[ Pt \left( NH _{3}\right)_{2} Cl _{2}\right]$ ?
Which of the following species has a trigonal planar shape?
When a solution of sodium hydroxide is added to acetic acid solution, the conductivity of the resulting solution will
The most stable oxidation state of lanthanides is
Which of the following is least reactive to nitration?
Pick out the wrong statement
Which of the following groups is ortho and para directing?
Which of the following is an ore of zinc?
Which of the following is not the postulate of the kinetic theory of gases?
Select the molecule which has only one $ \pi - $ bond
The repeating unit present in Nylon $6$ is
Which one of the following is not a neurologically active drug?
Two fast moving particles X and Y are associated with de Broglie wavelengths 1 nm and 4 nm respectively. If mass of X is nine times the mass of Y, the ratio of kinetic energies of X and Y would be
Antiseptics and disinfectants either kill or prevent growth of microorganisms. Identify which of the following statements is not true
Among the following ethers, which one will produce methyl alcohol on treatment with hot concentrated HI?
Which of the following statements about the interstitial compounds is incorrect ?
Which of these is least likely to act as a Lewis base ?
An excess of AgNO3 is added to 100 mL of a 0.01 M solution of dichlorotetraaquachromium(III) chloride. The number of moles of AgCl precipitated would be
Structure of the compound whose IUPAC name is 3- Ethyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid is