The order of polarity of NH3, NF3 and BF3 is
From a carboxymethyl-cellulose column at pH 6.0, arginine, valine and glutamic acid will elute in the order
I n the proton decoupled 13C NMR spectrum of 7-norbornanone, the number of signals obtained is
Choose the allowed transition
The number of terminal carbonyl groups present in Fe2(CO)9 is
Which of the following is the incorrect statement about Zeiseβs salt?
For the titration of a 10 mL (aq) solution of CaCO3, 2 mL of 0.001 M Na2EDTA is required to reach the end point. The concentration of CaCO3 (assume molecular weight of CaCO3 = 100) is
The molecular partition function of a system is given by q(T) = [(kbT)/hc]3/2 [(8p3mkbT)/h2]3/2, where the symbols have their usual meanings. The heat capacity at constant volume for this system is
Symmetry operations of the four C2 axes perpendicular to the principal axis belong to the same class in the point group(s)