List of top Chemistry Questions

Which of the following is not optically active ?
Which of the following is Vaska?s compound ?
Which of the processes is used in thermite welding ?
Who discovered the first noble gas compound ?
Which of the following exhibits square pyramidal geometry ?
Which of the following configuration can undergo distortion ?
When subjected to acid catalysed hydration, the order of reactivity of the alkenes; $\left( CH _{3}\right)_{2} C = CH _{2}( I ), CH _{3} CH = CH _{2}(II)$ and $CH _{2}= CH _{2}(III)$ is
What is the magnetic moment of $ Fe^{3+} $ ion in $ [Fe(CN)_6]^{3-} $ ?
The reactant ? $ A $ ? in the following reaction is
The correct statement about the following disaccharide is
In the reaction. the intermediate(s) is/are
In the Newman projection for $2,2$-dimethylbutane $X$ and $Y$ can respectively be
How many stereoisomers are possible in case of $ 3 $ -chlorobutan- $ 2 $ -ol ?
Gold number indicates
Arrange the following in increasing order of their basic strength : $CH _{3} NH _{2}( I ),\left( CH _{3}\right)_{2} NH ( II ),\left( CH _{3}\right)_{3} N ( III )$, $C _{6} H _{5} CH _{2} NH _{2} (IV)$
The synthesis of $3$-octyne is achieved by adding a bromoalkane into a mixture of sodium amide and an alkyne. The bromoalkane and alkyne respectively are
The reagent(s) used for softening the temporary hardness of water is(are)
The ionisation isomer of $[Cr(H_2O )_4Cl(NO_2 )]Cl$ is
Assuming that Hund's rule is violated, the bond order and magnetic nature of the diatomic molecule $B_2$ is
The highest lattice energy corresponds to
The degree of hardness of water is usually expressed in terms of
The most stable complex among the following is
Among the following the third ionization energy is highest for
$AgCl$ is dissolved in excess of each of $NH _{3}, KCN$ and $Na _{2} S _{2} O _{3}$. The complex ions produced in each case are
A solid is formed by two elements $P$ and $Q$. The element $Q$ forms cubic close packing and atoms of $P$ occupy one-third of tetrahedral voids. The formula of the compound is