List of top Chemistry Questions asked in NEET (UG)

Which of the following will not be soluble in sodium hydrogen carbonate?
Which of the following organic compounds has same hybridisation as its combustion (CO$_2$) product?
Among the following sets of reactants which one produces anisole?
In acidic medium, $H_2O_2 $ changes $ Cr_2O_7^{2-} $ to $CrO_5 $ which has two (-O-O-) bonds. Oxidation state of Cr in $CrO_5 $ is
(a) ${H_2 O_2 + O_3 -> H_2O + 2O_2}$ (b) ${H_2 O_2 + Ag_2O -> 2Ag + H_2O + O_2}$ Role of hydrogen peroxide in the above reactions is respectively -
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?
6.02 × 1020 molecules of urea are present in 100 mL of its solution. The concentration of solution is
Which of the following compounds will not undergo Friedal-Craft's reaction easily?
Which is the monomer of Neoprene in the following ?
In the reaction Chemical Structure A is
The order of stability of the following tautomeric compounds is
Chemical structures of Carbon and Hydrogen
The radical Chemical Structure is aromatic because it has
Some meta-directing substituents in aromatic substitution are given. Which one is most deactivating ?
Which of the following is a polar molecule ?
Nitrobenzene on reaction with conc. HNO3/H2SO4 at 80-100°C forms which one of the following products ?
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
What is the maximum numbers of electrons that can be associated with the following set of quantum numbers ?
n = 3, l=1 and m = -1
The value of Planck's constant is 6.63 × 10-34 Js. The speed of light is 3 x 1017 nm s-1. Which value is closest to the wavelength in nanometer of a quantum of light with frequency of 6 x 1015 s-1?
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
A reaction having equal energies of activation for forward and reverse reactions has
Which of the following is paramagnetic ?