List of top Chemistry Questions

Which of the following is the strongest acid?
The ground state electronic configuration of chromium is
Nitrogen (I) oxide is produced by
The value of van derWaals' constant a for the gases $O_2, N_2$, $NH_3$ and $ CH_4$ are 1.360, 1.390,4.170 and $2.253L^2$ atm $mol^{-2}$ respectively. The gas which can most easily be liquefied is
Pauling's electronegativity values for elements are useful in predicting
Which of the following 0.1 M aqueous solution will have the lowest freezing point?
The C- H bond distance is the longest in
Calgon used as a water softner, is
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
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
The compound whose aqueous solution has the highest $P^H$ is
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?