List of top Chemistry Questions asked in KCET

Three moles of $PCl_5$, three moles of $PCl_3$ and two moles of $Cl_2$ are taken in a closed vessel. If at equilibrium the vessel has $1.5$ moles of $PCl_5$, the number of moles of $PCl_3$ present in it is

Mercury is a liquid metal because

Anisole can be prepared by the action of methyl iodide on sodimn phenate. The reaction is called

The chemical name of anisole is

For a stable molecule the value of bond order must be

Which of the following is correct for the process of formation of a chemical bond?

Which one of the following has maximum number of atoms of oxygen ?

A metal present in vitamin $B_12$ is

The electronic configuration of $Cr^{3+}$ is

$+I$ effect is shown by

The number of gram molecules of chlorine in $6.02 \times 10^{25}$ hydrogen chloride molecules is -

Benzene reacts with chlorine in sunlight to give a final product

The volume of $10\,N$ and $4\,N\, HCl$ required to make $1$ litre of $7\,N \,HCl$ are

Angle strain in cyclopropane is

The product formed when hydroxylamine condenses with a carbonyl compound is called

In the ionic equation : $BiO _{3}^{-}+6 H ^{+}+ Xe ^{-} \longrightarrow Bi ^{3+}+3 H _{2} O$ the value of $X$ is -

Acidified sodium fusion extract on addition of ferric chloride solution gives blood red colouration which confirms the presence of

In acetylene molecule, between the carbon atoms there are

In the periodic table metals usually used as catalysts belong to

Hydroxyl ion concentration of $1M\, HCl$ is

When conc. $H_2SO_4$ is heated with $P_2 O_5$, the acid is converted into

Which one of the following is a second order reaction ?

Gram molecular volume of oxygen at $STP$ is

The number of unidentate ligands in the complex ion is called

The general formula of a cycloalkane is