List of top Questions asked in NEET (UG)

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

Which of the following is a polar molecule ?

Which is the monomer of Neoprene in the following ?

In the reaction A is

The order of stability of the following tautomeric compounds is

The radical is aromatic because it has

Which of the following compounds will not undergo Friedal-Craft's reaction easily?

Select the wrong statement :