List of top Chemistry Questions asked in NEET (UG)

The non-essential amino acid among the following is:

\(pH\) of a saturated solution of \(Ca(OH)_2\) is \(9\). The solubility product \((K_{sp})\) of \( Ca(OH)_2\) is: 

For the chemical reaction \(N_2(g)+ 3H_2(g)= 2NH_3(g)\) the correct option is :

Which one is malachite from the following?

4d, 5p, 5f and 6p orbitals are arranged in the order of decreasing energy. The correct option is:

Which is the correct thermal stability order for\( H_2E\) (E=O, S, Se, Te and Po)? 

The structure of intermediate A in the following reaction, is;

Among the following, the one that is not a green house gas is

Under isothermal condition, a gas at 300 K expands from 0.1 L. to 0.25 L against a constant external pressure of 2 bar. The work done by the gas is: [Given that 1 L bar=100J]

Which of the following diatomic molecular species has only bonds according to Molecular Orbital Theory?

Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is:

The biodegradable polymer is:

The method used to remove temporary hardness of water is : (1) (2) (3) (4)

Match LIST I with LIST II

LIST I		LIST II
A	Pure nitrogen	I	Chlorine
B	Haber process	II	Sulphuric acid
C	Contact process	III	Ammonia
D	Deacon's process	IV	Sodium azide or Barium azide

Which of the following is the correct option?

The correct order of the basic strength of methyl substituted amines in aqueous solution is:

The most suitable reagent for the following conversion, is:

An alkene \("A"\) on reaction with \(O_3\) and \(Zn - H_2{0}\) given propanone and ethanol in equimolar ratio. Addition of \(HCI\) to alkene \("A"\) gives. \("B"\)as the major product. The structure of product \("B"\) is : 

The number of \(\sigma \)and \(\pi\) bonds in pent-2-en-4-yne is: 

Identify the incorrect statement related to PCI from the following:

Which of the following series of transitions in the spectrum of hydrogen atom falls in visible region?

In water saturated air, the mole fraction of water vapour is $0.02$. If the total pressure of the saturated air is $1.2\, atm$, the partial pressure of dry air is :

The volume occupied by 1.8 g of water vapour at 374 °C and 1 bar pressure will be :- [Use R = 0.083 bar L $K^{-1}mol^{-1}$]

When neutral or faintly alkaline KMnO4 is treated with potassium iodide, iodide ion is converted into 'X'. 'X' is -

Conjugate base for Bronsted acids $H_2O$ and $HF$ are:

Orbital having 3 angular nodes and 3 total nodes is :-