List of top Chemistry Questions asked in NEET (UG)

Roasting of sulphides gives the gas X as a by-product. This is a colorless gas with choking smell of burnt sulphur and causes great damage to respiratory organs as a result of acid rain. Its aqueous solution is acidic acts as a reducing agent and its acid has never been isolated. The gas X is
Which is the strongest acid in the following ?
Which of the following is paramagnetic ?
Which of the following structure is similar to graphite ?
The basic structural unit of silicates is
Reaction by which Benzaldehyde cannot be prepared
Which of the following does not give oxygen on heating ?
Which of the following lanthanoid ions is diamagnetic ?
(At. nos. Ce = 58, Sm = 62, Eu = 63, Yb = 70)
Identify the correct order of solubility in aqueous medium
XeF2 is isostructural with
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
Which of these is least likely to act as a Lewis base ?
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 electron-deficient?
Structure of the compound whose IUPAC name is 3- Ethyl-2-hydroxy-4-methylhex-3-en-5-ynoic acid is
Which of these is not a monomer for a high molecular mass silicone polymer ?
Which of the following statements about the interstitial compounds is incorrect ?
Which one of the following molecules contains no π bond ?
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?
Nylon is an example of
The structure of isobutyl group in an organic compound is
Nitrobenzene on reaction with conc. HNO3/H2SO4 at 80-100°C forms which one of the following products ?
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating ?
6.02 × 1020 molecules of urea are present in 100 mL of its solution. The concentration of solution is