List of top Chemistry Questions

Pick out the wrong statement
Which of the following is an ore of zinc?
Which of the following is not the postulate of the kinetic theory of gases?
Which of the following groups is ortho and para directing?
Select the molecule which has only one $ \pi - $ bond
Which of the following is the wrong statement?
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
Which one of the following molecules contains no π bond ?
Which of the following statements about the interstitial compounds is incorrect ?
Which of these is not a monomer for a high molecular mass silicone polymer ?
Among the following ethers, which one will produce methyl alcohol on treatment with hot concentrated HI?
Antiseptics and disinfectants either kill or prevent growth of microorganisms. Identify which of the following statements is not true
Nylon is an example of
The structure of isobutyl group in an organic compound is
XeF2 is isostructural with
Which of the following is electron-deficient?
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
Identify the correct order of solubility in aqueous medium
KMnO4 can be prepared from K2MnO4 as per the reaction:
\(3MnO^{2-}_4+2H_2O⇌2MnO^-_4+MnO_2+4OH^-\)
The reaction can go to completion by removing OH- ions by adding
Which of the following is paramagnetic ?
Which of the following lanthanoid ions is diamagnetic ?
(At. nos. Ce = 58, Sm = 62, Eu = 63, Yb = 70)