List of top Chemistry Questions asked in NEET (UG)

Which one of the following compounds shows the presence of intramolecular hydrogen bond?

Which one of the following is incorrect for ideal solution ?

Zinc can be coated on iron to produce galvanized iron but the reverse is not possible. It is because

Two electrons in the same atomic orbital can be distinguished by their

The product obtained as a result of a reaction of nitrogen with $CaC_2$ is

The principle of competitive exclusion was stated by

The pressure of $H_2$ required to make the potential of $H_2$-electrode zero in pure water at 298 K is

The percentage of pyridine (C₅H₅N) that forms pyridinium ion (C₅​H₅​N⁺H) in a 0.10 M aqueous pyridine solution (K_b​ for C₅H₅N = 1.7×10⁻⁹) is

The partial pressure of oxygen in the alveoli of the lungs is -

The pair of electron in the given carbanion, $CH_3C \equiv$ $C^{-}$, is present in which of the following orbitals ?

The number of electrons delivered at the cathode during electrolysis by a current of $1$ ampere in $60$ seconds is (change on electron = $1.60 \times 10^{-19} C)$

The ionic radii of $A^+$ and $B^-$ ions are $0.98 \times 10^{-10} \, m$ and ${1.81 \times 10^{-10} m}$. The coordination number of each ion in AB is :

The correct thermodynamic conditions for the spontaneous reaction at all temperatures is

The correct geometry and hybridization for ${XeF_4}$ are

The compound that will react most readily with gaseous bromine has the formula

The amino acid Tryptophan is the precursor for the synthesis of :

Suppose the elements $X $ and $Y$ combine to form two compounds $XY_2$ and $X_3Y_2$. When $0.1$ mole of $XY_2$ weighs $10\, g$ and $0.05$ mole of $X_3Y_2$ weighs $9\, g$, the atomic weights of $X$ and $Y$ are

In a protein molecule various amino acids are linked together by:

Consider the following liquid-vapour equilibrium ${Liquid <=> Vapour }$ Which of the following relations is correct ?

How many electrons can fit in the orbital for which $n = 3$ and $l = 1$ ?

Hot concentrated sulphuric acid is a moderately strong oxidizing agent. Which of the following reaction does not show oxidizing behaviour?

For a sample of perfect gas when its pressure is changed isothermally from $p_i$ to $p_f$, the entropy change is given by

Equal moles of hydrogen and oxygen gases are placed in a container with a pin-hole through which both can escape. What fraction of the oxygen escapes in the time required for one-half of the hydrogen to escape ?

During the electrolysis of molten sodium chloride, the time required to produce $0.10$ mol of chlorine gas using a current of $3$ amperes is