List of top Chemistry Questions asked in NEET (UG)

Using the Gibbs energy change, $\Delta G^\circ = +63.3kJ$ , for the following reaction, $Ag_2CO_3 \rightleftharpoons 2Ag^+_{(aq)}+CO^{2^−}_{3(aq)}$ the $K_{sp}$ of $Ag_2CO_3(s)$ in water at $25^∘$C is ($R=8.314JK^{−1}mol^{−1}$)
Which of the following salts will give highest $ pH $ in water?
Which of the following statements is correct for the spontaneous adsorption of a gas?
Which one of the following species has plane triangular shape?
Which of the following is paramagnetic ?
The basic structural unit of silicates is
Which one of the following molecules contains no π bond ?
A magnetic moment of 1.73 BM will be shown by one among the following
XeF2 is isostructural with
Which of the following is a polar molecule ?
Which of the following is electron-deficient?
Which of the following is paramagnetic ?
Reaction by which Benzaldehyde cannot be prepared
The structure of isobutyl group in an organic compound is
Which of the following compounds will not undergo Friedal-Craft's reaction easily?
The radical Chemical Structure is aromatic because it has
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 lanthanoid ions is diamagnetic ?
(At. nos. Ce = 58, Sm = 62, Eu = 63, Yb = 70)
What is the activation energy for a reaction if its rate doubles when the temperature is raised from 20°C to 35°C ? (R = 8.314 J mol-1 K-1)
A hydrogen gas electrode is made by dipping platinum wire in a solution of HCl of pH = 10 and by passing hydrogen gas around the platinum wire at one atm pressure. The oxidation potential of electrode would be
Nylon is an example of
6.02 × 1020 molecules of urea are present in 100 mL of its solution. The concentration of solution is
At 25°C molar conductance of 0.1 molar aqueous solution of ammonium hydroxide is 9.54 ohm-1 cm2 mol-1 and at infinite dilution its molar conductance is 238 ohm-1 cm2 mol-1. The degree of ionisation of ammonium hydroxide at the same concentration and temperature is
Which is the monomer of Neoprene in the following ?
Nitrobenzene on reaction with conc. HNO3/H2SO4 at 80-100°C forms which one of the following products ?