The enthalpies of hydration of Ca2+, Mn2+ and Zn2+ follow the order
I n the proton decoupled 13C NMR spectrum of 7-norbornanone, the number of signals obtained is
The point group symmetry of CH2=C=CH2 is
A mong the following donors, the one that forms most stable adduct with the Lewis acid B(CH3)3 is
The angular part of the wavefunction for the electron in a hydrogen atom is proportional to sin2? cos ? e2iØ . The values of the azimuthal quantum number (l) and the magnetic quantum number (m) are, respectively
Heating a mixture of ammonium chloride and sodium tetrahydridoborate gives one liquid product(X), along with other products, under ambient conditions.Compound X is an example of