List of top Chemistry Questions

The diagonal partner of element $B$ is

Boiling point of ethyl alcohol is greater than ether due to

If a species has $16$ protons, $18$ electrons and $16$ neutrons, find the species and its charge

In Sommerfeld?s modification of Bohr?s theory, the trajectory of an electron in a hydrogen atom is

Which of the following represents the arrangement in increasing order of bond order and bond dissociation energy?

Which of the following is an appropriate set of reactants for the preparation of $1$ -methoxy-$4$ nitrobenzene?

Which of the following is extracted from sea weeds ?

Which of the following is non-existent ?

Which of the following is not an artificial sweetener ?

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