List of top Chemistry Questions asked in JKCET

Electrolysis of an aqueous solution of sodium ethanoate gives

According to collision theory of chemical reactions rates of the reaction increase with increase in the temperature of a reaction because of

Specify the coordination number of cobalt in $\left[ Co ( CN )\left( H _{2} O \right)( en )_{2}\right]^{2+}$

What will be the freezing point of $1\%$ solution of glucose in water, given that molal depression constant for water is $ 1.84\,K\, mol^{-1}$

Which type of isomerism is exhibited by $\left[ Pt \left( NH _{3}\right)_{2} Cl _{2}\right]$ ?

When a solution of sodium hydroxide is added to acetic acid solution, the conductivity of the resulting solution will

Which of the following species has a trigonal planar shape?

Which of the following is least reactive to nitration?

The most stable oxidation state of lanthanides is

Which of the following groups is ortho and para directing?

Which of the following is not the postulate of the kinetic theory of gases?

Which of the following is an ore of zinc?

Select the molecule which has only one $ \pi - $ bond

$C _{6} H _{5} COCl \xrightarrow{ NH _{3}} X \xrightarrow{ P _{2} O _{5}} Y \xrightarrow [H_2]{ Ni }Z$ The end product in the above sequence of reaction is

Identify $Z$ in the following sequence $CH _{3} CH _{2} I \xrightarrow{ KCN } X \xrightarrow{ H _{3} O ^{+} / H _{2} O } Y \xrightarrow[\Delta]{H_3O^+/H_2O}Z$

In which of the following reactions, increase in pressure will favour the forward reaction?

Which of the following is a Lewis acid?

The $[ OH ]^{-}$in a solution is $1\, mol\, L ^{-1}$. The $pH$ of the solution is

The solubility of $Fe ( OH )_{3}$ is $x\, mol\, L ^{-1}$. Its $K_{s p}$ would be

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 $N =7$ ]

Which of the following molecules has the maximum dipole moment?

A nucleophilic substitution reaction proceeds through $S _{ N } 1$ mechanism. So, the reaction is