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
An alkene X on ozonolysis gives a mixture of Propan-2-one and methanal. What is X?
The aromatic compound/species with maximum number of x - electrons is
Identify the correct statement about the oxidation states of group 14 elements
Aluminum reacts with dilute HCL and liberates a gas 'A' and with aqueous alkali liberates a gas 'B'. A and B respectively are
The alkali metal with the lowest E M- M+ (V) is X and the alkali metal with highest E M- M+ is Y. Then X and Y are respectively:
The hybrids of which group elements of the periodic table form electron precise hybrids?
Which of the following does not form a buffer solution?
For the reaction at 25° C, X2O4 (l) → 2XO2(g), U and S are 2.1 K.Cal and 20 Cal/K respectively. what is G for the reaction at the same temperature? (R = 2 CAL K-1MOL-1)
Which one of the following has the same number of atoms as are in 6g of H2O
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
Match the following : List -I (Atomic number) List II (Group number and period number)
List -I (Atomic number)
List II (Group number and period number)
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)
