List of top Chemistry Questions asked in JKCET

The set of quantum numbers $ n=4,l=0 $ and $ s=+\frac{1}{2} $ correspond to the most loosely bound, ground state electron of which one of the following atoms?

The number of molecules in $18 \,mg$ of water in terms of Avogadro number $N$ is

Which one of the following is aromatic?

The solubility product of a sparingly soluble metal hydroxide $M ( OH )_{2}$ at $298 \,K$ is $5 \times 10^{-16} mol ^{3} d m^{-9}$. The $pH$ value of its aqueous and saturated solution is

The total number of acyclic structural and optical isomers possible for a hydrocarbon of molecular formula $ C_{7}H_{16} $ is

The bacteriostatic antibiotic among the following is

In which one of the following equilibria, the increase of pressure over the equilibrium will favour the reaction?

When an excess and a very dilute aqueous solution of $ KI $ is added to a very dilute aqueous solution of silver nitrate, the colloidal particles of silver iodide are associated with the Helmholtz double layer

Which one of the following is the correct quadratic form of the Ostwald's dilution law equation?

The non-existant metal carbonyl among the following is

Which one of the following aqueous solutions of salts has the lowest, pH value?

If the de-Broglie wavelength of a particle of mass $m$ is $100$ times its velocity then its value in terms of its mass $ (m) $ and Plants constant $ (h) $ is

How much volume of oxygen at $STP$, in litre is required to burn $4\,g$ of methane gas completely?

The order of electron affinity of halogens is

Galvanic cell is a device in which

Identify the pair of gases that have equal rates of diffusion

In case of condensation of polymers

Which one of the following is a non-polar molecule?

The anomeric carbon in $D(+)$ glucose is

Picric acid is a stronger acid than acetic acid and benzoic acid. It contains

Which one of the following metals is extracted by a carbon reduction process?

Nitration of nitrobenzene at $ 125^{\circ} C $ with mixed acids gives

The products obtained when anisole is heated in a sealed tube with $HI$ are

The metallurgical process in which a metal is obtained in a fused state is called

IUPAC name of $CH _{3}- \underset{\overset{|}{Cl}}{C}H - CH _{2}- CHO$ is $Cl$