List of top Chemistry Questions asked in NEET (UG)

HBr reacts fastest with

Among the following compound one that is most reactive towards electrophilic nitration is

An ideal gas cannot be liquefied because

How many isomers of $C_5 H_{11} OH$ will be primary alcohols?

When chlorine is passed over dry slaked lime at room temperature ,the main reaction product is

Number of electrons shared in the formation of nitrogen molecule is

Which one of the following has the shortest carbon-carbon bond length?

The lustre of the metal is on account of

Basicity of orthophosphoric acid is

Which would quickly absorb oxygen?

The maximum number of electrons, present in an orbit that is represented by azimuthal quantum number $(l)=3$, will be

Which of the following aqueous solution has minimum freezing point?

The basic unit of nucleic acid is

The bleaching action of chlorine is due to

The correct order of decreasing polarisability of the ions is

$PCl_3$ reacts with water to form

Cinnabar is an ore of

In a given atom no two electrons can have the same values of all the four quantum numbers. This is called

Aqueous solution of acetic acid contains

An $sp^3$ hybrid orbital contains

In sodium fusion test of organic compounds, the nitrogen of the organic compound is converted into

A $5$ molar solution of $H_2SO_4$ is diluted from 1 litre to a volume of 10 litres, the normality of the solution will be

The order of filling of electrons in the orbitals of an atom will be

For orthorhombic system axial ratios are $a \ne b \ne c$ and the axial angles are

$P_2O_5$ is heated with water to give