Which of the following is paramagnetic?
The kinetic of the reaction 2N2O5 ⇾ 4 NO2 + O2 in liquid bromine medium was measured independently for the three different initial concentrations of N2O: 0.11,0.07 and 0.05 mol L-1 .The half - life of the reaction was found to be 4.5 hours for all these concentrations. The order of the reaction is
Calculate the magnetic moment of a divalent ion in aqueous medium if its atomic number is 25
What is the colour change occurring while the conversion of Fe2+⟶ to Fe3+ using KMnO4?
Which one of the following products is obtained on treatment of aniline with nitrous acid?
Fluorine differs from other halogens in some of its properties. This is due to
Clemmensen reduction takes place in the presence of
Which one of the following elements is found in the free state in nature?
What is the total no. of rare earth metals:
RNA lacks the nitrogen base of
A precipitate is formed if the ionic product is __________?
The specific conductance of 0.01 M aqueous solution of acetic acid is 1. 63 x10-2 S m-1 and the molar conductance at infinite dilution is 390.7x10-4 S m2 mol-1.Calculate the degree of dissociation of the acetic acid solution?
Earth’s atmosphere is richest in
Identify the product of the following reaction:
Example of an ambident nucleophile is
Electrophilic halogenation of phenol does not require catalyst because
During the adsorption of gas on the surface of solid, which of the following is true?
The hybridization of nitrogen in diethyl amine is
Which of the following statement is true for aqueous solution of 0.1 M urea, 0.2 M glucose nad 0.3 M sucrose
When the valence d orbitals of the central metal ion in tetrahedral complex are split in energy levels in CFT, which orbitals are raised to higher energy?
How many enolizable hydrogens are there in the compound 2-methylcyclohex-2- en -1 -one?
Following reaction can produce three products. The order of their amount is