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Q. Important applications of indium?
The most important applications of indium are in protection of bearings against wear and erosion in low melting alloys and in electronic devices. Thallous salts being toxic are used as fungicides germicides and in ointments used for the treatment of ring worms. Thallium compounds find applications in preparing optical glass on account of their high refractive power.
Explain in words why hydroboration leads to anti-Markovnikov addition of hydrogen whereas most electrophilic addtions to alkenes result in Markovnikov addition.
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write about deutorium
priming and foaming
The ratio of the energy of a photon of 2000Å wavelength radiation to that of 4000 Å radiation is: (1) 1/4 (2) 4 (3) 1/2 (4) 2 Ans
Define the Cell potential of a galvanic cell? The cell potential of a galvanic cell is the electric potential difference between terminals of the same metal, and is defined by
The atomic number of an element having the valency shell electronic configuration 4s 2 4p 6 is: (1) 35 (2) 36 (3) 37 (4) 38 Ans: 35
5Mol K+
Write the chemical equation for the entire combustion of heptane, C 7 H 16 . The heat of combustion for heptane is 4817 kJ/mol. How much heat could be released if 250 kg of hept
Chemical methods - Purification of organic compounds Besides these physical methods, few chemical methods have as well been utilized to separate a mixture of organic compounds.
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