List of top Chemistry Questions asked in NEET (UG)

Which one of the following salt will have the same value of vant Hoff's factor (i) as that of $K_4[Fe(CN)_6]$ ?

Diazo coupling is useful to prepare some

At 25$^\circ$C, the highest osmotic pressure is exhibited by 0.1 M solution of

At certain temperature, 50% of HI is dissociated into $H_2$ and $I_2$, the equilibrium constant is

Which of the following compounds has the lowest boiling point?

Zerevitinov?? determination of active hydrogen in a compound is based upon its reaction with

What is the decreasing order of basicity of 1$^{\circ}$, 2$^{\circ}$ and 3$^{\circ}$ ethyl amines and ammonia?

A liquid can exist only

A compound $A$ has a molecular formula $C_2 Cl_3 OH$ . It reduces Fehling's solution and on oxidation, gives a monocarboxylic acid $B$. $A$ can be obtained by the action of chlorine on ethyl alcohol. $A$

At $80^{\circ} C$, distilled water has concentration equal to $1 \times 10^{-6}$ mole/litre. The value of $K_{w}$ at this temperature will be

Benzaldehyde reacts w ith ethanolic KCN to give

Aldehydes and ketones will not form crystalline derivatives with

During isothermal expansion of an ideal gas, its

The four elements that make up 99% of all elements found in a living system are

Zerevitinov�s determination of active hydrogen in a compound is based upon its reaction with

The acid which has a peroxy linkage is

The formula for calcium chlorite is

Which of the following is known as fusion mixture?

Which of the following does not have a tetrahedral structure?

In the photoelectron emission, the energy of the emitted electron is

The total number of valence electrons in 4.2 g of $N_3^{-}$ ion is [$N_A$ is the Avogadro's number)

Which electronic configuration of an element has abnormally high difference between second and third ionisation energy?

Among the following which compound will show the highest lattice energy?

One of the characteristic properties of non-metals is that they