List of top Chemistry Questions

Which of the following is the true structure of HO?
Which one of the following atoms will have the smallest size?
Which one of the following is the smallest in size?
The molecule which has pyramidal shape is
The most stable hydride is
Phosgene is a common name for
1 cc $N_2O$ at NTP contains
Which one of the following can exhibit cis-trans-isomerism?
The oxidation state of Cr in $K_2Cr_2O_7 $ is
The compound whose aqueous solution has the highest $P^H$ is
Bleaching powder is obtained by the action of chlorine gas and
The ionisation energy of hydrogen atom is 13.6 eV, the ionisation energy of a singly ionised helium atom would be
Hypo is used in photography to
The Cl-C-Cl angle in 1,1,2,2-tetrachloroethene and tetrachloromethane will be about
How many chain isomers could be obtained from the alkane, C$_6H_{14} $?
The reaction of $H_2 O_ 2$ with hydrogen sulphide is an example of ................ reaction.
Which of the following is a nitric acid anhydride?
The angle between the overlapping of one s-orbital and one p-orbital is
Equilateral shape has
An ideal solution is formed when its components
Which one is formed when sodium phenoxide is heated with ethyl iodide?
At STP, the density of $CCl_4$ vapour in g/L will be nearest to
The spectrum of helium is expected to be similar to that of
Which one of the following compounds does not exist ?
In 3p-orbital, the number of spherical nodes is