List of top Chemistry Questions asked in NEET (UG)

Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field ?

Which of the following is a sink for $CO$ ?

Consider the reactions :- Identify $A, X, Y$ and $Z$

Which one is the most acidic compound ?

Which of the following reactions is appropriate for converting acetamide to methanamine ?

Which one is the correct order of acidity ?

For a given reaction, $\Delta H =35.5\, kJ\, mol ^{-1}$ and $\Delta S =83.6\, JK ^{-1}\, mol ^{-1} .$ The reaction is spontaneous at $:$ (Assume that $\Delta H$ and $\Delta S$ do not vary with temperature)

With respect to the conformers of ethane, which of the following statements is true ?

Concentration of the $Ag^+$ ions in a saturated solution of $Ag_2C_2O_4$ is $2.2 \times 10^{-4}\, mol\, L^{-1}$ Solubility product of $Ag_2C_2O_4$ is :-

The following equilibrium constants are given $N _{2}+3 H _{2} \rightleftharpoons 2 NH _{3} ; K _{1}$ $N _{2}+ O _{2} \rightleftharpoons 2 NO ; K _{2}$ $H _{2}+1 / 2 O _{2} \rightleftharpoons H _{2} O ; K _{3}$ The equilibrium constant for the oxidation of the $NH _{3}$ by oxygen to give $NO$ is:

An example of a sigma bonded organometallic compound is :

$HgCl_2$ and $I_2$ both when dissolved in water containing $I^-$ ions the pair of species formed is :

Pick out the correct statement with respect to $[Mn(CN)_6]^{3-}$ :

It is because of inability of $ns^{2}$ electrons of the valence shell to participate in bonding that:-

It is because of inability of $ns^{2}$ electrons of the valence shell to participate in bonding that:-

Which of the following pairs of species have the same bond order ?

Which one is the wrong statement ?

The hybridizations of atomic orbitals of nitrogen in $NO _{2}^{+}, NO _{3}^{-}$ and $NH _{4}^{+}$ respectively are

The rate of a first order reaction is $0.04 mol \, l^{-1} \, s^{-1}$ at 10 seconds and $0.03 \, mol \, l^{-1} \, s^{-1}$ at 20 seconds after initiation of the reaction. The half-life period of the reaction is :

Match items of Column I with the items of Column II and assign the correct code:

The suspension of slaked lime in water is known as

The highest DDT concentration in aquatic food chain shall occur in

One mole of an ideal monatomic gas undergoes a process described by the equation $PV^{3}=$ constant. The heat capacity of the gas during this process is -

Natural rubber has :

$MY$ and $NY_3$, two nearly insoluble salts, have the same $K_{SP}$ values of $6.2 \times 10^{-13}$ at room temperature. Which statement would be true in regard to $MY$ and $NY_3$ ?