List of top Chemistry Questions asked in NEET (UG)

When CH₃CH₂CHCl₂ is treated with NaNH₂, the product formed is

In the following reaction product 'P' is :

What is P in the given chemical reaction?

The atomic numbers of Cr and Fe are respectively 24 and 26, which of the following is paramagnetic with the spin of the electron :

Which of the following order is wrong :

In the above reaction product 'P' is :

Reaction BaO₂ (s)$\rightleftharpoons$ BaO (s) + O₂(g); ∆H = + ve. In equilibrium condition. The pressure of O₂ depends on :

2A $\rightarrow$ B + C
It would be a zero-order reaction when

Unit of entropy is : -

Number of atom per unit cell in B.C.C.

⁹²U₂₃₅, nucleus absorb a neutron and disintegrate in ⁵⁴Xe₁₃₉, ³⁸Sr₉₄ and x So, What will be the product x

3A → 2B,rate of reaction +d[B]/dt is equals to

The solubility of MX2–type electrolytes is 0.5 × 10^–4 Mole/lit. then find out the K_sp of electrolytes :

1 M and 2.5 litre NaOH solution mixed with another 0.5 M and 3 litre NaOH solution. Then find out molarity of resultant solution

Unit of entropy is

2 mole of ideal gas at 27ºC temp. is expanded reversibly from 2 lit. to 20 lit. Find entropy change (R = 2 cal/mol K)

In $NO_3^-$ ion number of bond pair and lone pair of electrons on nitrogen atom are :-

In Hydrozen atom, energy of first excited state is – 3.4 eV. Then find out KE of same orbit of Hydrogen atom

A solution contains non volatile solute of molecular mass M₂. Which of the following can be used to calculate the molecular mass of solute in terms of osmotic pressure

Which one of the following gives positive Fehling's solution test?

Ionisation constant of $ CH_3COOH $ is $ 1.7 \times 10^{-5} $ and concentration of $ H^+ $ ions is $ 3.4 \times 10^{-4} $ . Then, find out initial concentration of $ CH_3COOH $ molecules.

An organic compound $A(C_4 H_9 C1)$ on reaction with Na/diethyl ether gives a hydrocarbon which on monochlorination gives only one chloro derivative, then A is

A compound of molecular formula $C_7H_{16}$ shows optical isomerism, compound will be

Standard electrode potentials for Fe electrode are given as $Fe^{2+}+2e^{-} \rightarrow Fe ; E^{o}=-0.44 V$ $Fe^{3+}+e^{-} \rightarrow Fe^{2+}; E^{o}=+0.77 V$ $ Fe^{2+}, Fe^{3+}$ and Fe blocks are kept together then