List of top Chemistry Questions asked in NEET (UG)

Zerevitinov�s determination of active hydrogen in a compound is based upon its reaction with
The acid which has a peroxy linkage is
The formula for calcium chlorite is
Which of the following is known as fusion mixture?
Which of the following does not have a tetrahedral structure?
In the photoelectron emission, the energy of the emitted electron is
The total number of valence electrons in 4.2 g of $N_3^{-}$ ion is [$N_A$ is the Avogadro's number)
If ionisation potential for hydrogen atom is 13.6 eV, then ionisation potential for $He^+$ will be
Among the following which compound will show the highest lattice energy?
A compound is treated with $NaNH_2$ to give sodium salt. Identify the compound.
When chlorine is passed through propene at $400^{\circ} C,$ which is the following is formed?
Which electronic configuration of an element has abnormally high difference between second and third ionisation energy?
One of the characteristic properties of non-metals is that they
In the periodic table from left to right in a period, the atomic volume
When $CuSO_4 $ is electrolysed using platinum electrodes?
Industrial preparation of chloroform employs acetone and
The number of atoms contained in a fcc unit cell of a monoatomic substance is
When hydrochloric acid gas is treated with propene in presence of benzoyl peroxide, it gives
Which is the correct symbol relating the hetero Kekule structure of benzene?
Among acetic acid, phenol and n-hexanol which one of the following compound will react with $NaHCO_3$ solution to give sodium salt and $CO_2$ ?
On doping Ge metal with a little of In or Ga, one gets
The most suitable method of separation of $1 : 1$ mixture of ortho and para-nitrophenols is :
Ethanol and dimethyl ether form a pair of functional isomers. The boiling point of ethanol is higher than that of dimethyl ether due to the presence of
If the atomic number of an element is 33, it will be placed in the periodic table in the
$Na^+, Mg^{2+}, Al^3+ \, and \, Si^{4+}$ are isoelectronic. The order of their ionic size is