List of top Chemistry Questions

The compound that does not liberate $CO_2$, on treatment with aqueous sodium bicarbonate solution, is
The hyperconjugative stabilities of tert-butyl cation and 2-butene, respectively, are due to
The carbon-based reduction method is not used for the extraction of
Upon treatment with ammoniacal $H_2 S$, the metal ion that precipitates as a sulphide is
Among $P, Q, R$ and $S$, the aromatic compounds(s) is/are
Acid anhydride on reaction with primary amines give
What is the total number of electrons that can have the values $n=2, l=1, s=1 / 2$ in the electronic configuration $1 s^{2} 2 s^{2} 2 p^{3} ?$
Calculate the wavelength associated with an electron moving with a velocity of $10^{6} m / s$ (mass of $e^{-}=9.1 \times 10^{-31} kg,\, \left. h=6.6 \times 10^{-34} kg\, m ^{2} s ^{-1}\right)$
Which of the following pairs is not correctly matched?
The bond order of $N _{2}^{+}$on the basis of molecular orbital theory is [Atomic number of $N =7$ ]
Above the Boyle temperature, the compressibility factor of the real gases, $ Z $ is
The expression for effective magnetic moment $ (\mu _{\text{eff}}) $ is
The known oxidation states for both $V$ and $CO$ are
The structure of diamagnetic nickel complex, $\left[N i(C N)_{4}\right]^{2-}$ is
An ether solution of benzoic acid $ (A) $ aniline $ (B) $ and toluene $ (C) $ is extracted with aqueous $ NaOH $ . The ether layer will contain what compound $ (s) $ after the extraction ?
Which of the following compounds reacts faster with sodium methoxide $ (NaOCH_3) $ ?
Which one of the following reactions is easily possible ?
Identify the positively charged sol
Which of the following will not give a primary amine?
Which of the following molecules has the maximum dipole moment?
The unpaired electron in $ Ni(CO)_{4} $ is
If acetyl chloride is reduced in the presence of ${BaSO_4}$ and Pd, then
When the temperature of an ideal gas is increased from $27?C$ to $927?C$, the kinetic energy will be
What will be the wavelength of a ball of mass ${0.1\, kg}$ moving with a velocity of ${10 m\, s^{-1}}$ ?
The bond length of $HCl$ bond is $2.29 \times 10^{-10}\, m$. The percentage ionic character of $HCl$, if measured dipole moment is $6.226 \times 10^{-30}\, C \,m$ is