Lanthanides & acinides, 1. why YbS and YbI2 are semiconducting solids but L...

1. why YbS and YbI2 are semiconducting solids but LaS and LaI2 show metallic character. 2. Why is aqueous solution of Eu2+ thermodynamically less susceptible to oxidation than any

Atomic absorption spectroscopy, Q1: The complexes of Fe +2   with 1, 10- ph...

Q1: The complexes of Fe +2   with 1, 10- phenanthroline has a molar absorptivity of about 11,000 L/mol cm in water at 510 nm. A 20 ml water sample thought to contain Fe +2   is mix

Electrochemistry, what is reversible cell

what is reversible cell

Thermal analytical methods, basic principle of differential thermal analysi...

basic principle of differential thermal analysis

Electrogravimetry, give instrumentation of electrogravimetry

give instrumentation of electrogravimetry

The energy of an electron of 2py orbital, The energy of an electron of 2py...

The energy of an electron of 2py  orbital is: (1) Greater than that of 2p x   orbital (2) Less than that of 2p x   orbital (3) Equal to that of 2s   orbital (4) Same a

Discuss coordination number., Coordination no. is the no. assigned to an at...

Coordination no. is the no. assigned to an atom which tells us that how many other atoms are directly attached to it. eg. Pcl5 the cordination no. will be 5

Emf series and its application,

Solid state, #questionthe extra Zn +2 ion are arising from wher? 2are they ...

#questionthe extra Zn +2 ion are arising from wher? 2are they from their respective lattice site? 3pls provide animated videos for that..

Valence Electrons, why is the valence electron 4s2 in the elelment Sc21 an...

why is the valence electron 4s2 in the elelment Sc21 and not 3d1?