In comparison to a 0.01 M solution of glucose, the depression in freezing point of a 0.01 M MgCl2 solution is ________ .
An emulsion consists of
The molar conductivities at infinite dilution for Na2SO4,K2S04,KCl, HCl and HCOONa at 300K are 260, 308, 150, 426, and 105 S cm2 mol-1, respectively. What will be A+m for formic acid in the same unit?
The standard reduction potentials at 298K for the following half cells are given below. Find the strongest reducing agent. Zn2+ (aq.) + 2e ↔Zn (s), Ev = - 0.76 V; Cr3+ 3 e ↔Cr(s), Ev = -0.74 V2H+ + 2e ↔ H2 (g), Ev = 0.0 V; Fe3+ + e ↔ Fe2+ (aq.), Ev = 0.77 V
Markovnikov reaction is a
The shape of d orbital is:
Which of the following ketones has the common term acetone?
Which of the following has the most acidic hydrogen?
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 of the following will not give test for Cl- with AgNO3(aq) at 250C?
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: