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I have a question about HNMR OF RESONANCE system.
Q)why is the extraction of copper from pyrites more difficult than that from its oxide ore through reduction? Ans) The Standard free energy of formation of Cu2S is greater than
The energy of second Bohr orbit of the hydrogen atom is -328 kJ mol-1, hence the energy of fourth Bohr orbit would be: (1) - 41 kJ mol -1 (2) -1312 kJ mol -1 (3) -164
Most of the transition metal do not displace hydrogen from dilut acid. why? Ans) The activity series of transition metals is less than that of hydrogen so they can not displace h
effeciency of plate of chromotography
For liquids - Drying of Organic Substances Organic liquids are usually dried by keeping them over night in contact along with a dehydrating (desiccating) agent that does not re
what organic compounds can be separated by simple distillation
PFEFFER METHOD
Give the styx code of b4h10 and which type of bond present in it?
how does molar volume varies with: a) a decrease in temperature d) an increase in pressure
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