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The wavelength of the radiation emitted, when in a hydrogen atom electron falls from infinity to stationary state 1, would be (Rydberg constant 1.097 x 10 7 m-1)
(1) 406 nm
(2) 192 nm
(3) 91 nm
(4) 9.1 x 10 -8nm
Ans: 91 nm
the standard EMF of cell Pt/H2
diamond is covalent.yet it has high melting point.why?
What is happen whenever H2SO4+HNO3 adding to the phenol.give the reaction Ans) Phenol + HNO3(in prescence of sulphuric acid) --> 2-nitrophenol + 4-nitrophenol.
type of electrode?
Electrolytic reduction of magnesium chloride Iron cell 2. Magnesium 3. Graphite anode 4. Porcelain hood 5. Iron cathode 6. Coal gas 7. Chlorine 8. Coal gas 9. Molten ele
Desiccants (drying agents) can often be regenerated by heating. A desiccant that is commonly regenerated is CaSO 4 ?2H 2 O:
what is the chemistry behind the reactions of confirmatory test of sulphide radical of dilute acid group.
it is impossibe to synthesise orgnic compounds in the lab since life force is essential for their formation -theory is known as
SHORTNOTE ON CONDUCTING POLYMERS
General principles for naming organic compounds In the general system, all the isomeric alkanes (having similar molecular formula) have the the same parent name. The names of
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