Which of the following does not form a buffer solution?
The ratio of lone pair of electrons to bond pair of electrons in ozone molecule is:
Ziegler-Natta Catalyst is used in the manufacture of
The aromatic compound/species with maximum number of x - electrons is
The following molecule with the structure acts as
XeF4 + O2F2 → X + O2 X + H2O → Y +2HF The shape of the molecules of X and Y respectively are:
Consider the following statements about the oxides of halogens A. At room temperature, OF2; is thermally stable B. Order of stability of oxides of halogens is I > Br > Cl C. I2O5 is used in the estimation of CO D. ClO2; is used as a bleaching agent The correct statements are
Which one of the following has the same number of atoms as are in 6g of H2O
The number of electrons with (n+1) values equal to 3,4 and 5 in an element with atomic number (z) 24 are respectively (n = principal quantum number and l = azimuthal quantum number)
A current of 15.0 amperes is passed through a solution of CrCl2, for 45 minutes. The volume of Cl2 , (in I) obtained at the anode at 1 atm and 273 K is around (IF=96500 Cmol-1, At. wt. of Cl=35.5, R=0.082 L-atmK-1 mol-1)
Arrange the following in the correct order of their reactivity towards nucleophilic addition reactions
The rate of diffusion of a gas A is √5 times more than of gas B. If the molar mass of A is x gmol-1, the molar mass of B ( in g mole-1) is
Among the following the incorrect statement about transition metals is
An alkene X on ozonolysis gives a mixture of Propan-2-one and methanal. What is X?
According to MO theory, the molecule which contain only π-Bonds between the atoms is
The formula of a metal oxide is M0.96 O1. The fractions of metal that exists as M3+and M2+ ions in that oxide are respectively