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Describe Hall Effect? Briefly discuss physical origin and uses of Hall Effect? Ans: If a conducting bar is placed in a magnetic field B ⊥ to its axis and if a current flow
An electronic transition from 1s orbital of an atom causes: (1) Absorption of energy (2) Release of energy (3) Both release or absorption of energy (4) Unpredictable
Q. Determine the taste threshold for different sensations? • perceive the individual differences existing for taste stimulation, and • identify your own threshold and iden
The electronic configuration of element with atomic number 24 is : (1) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 4 4s 2 (2) 1s 2 2s 2 2p 6 3s 2 3p 6 3d 10 (3)
Explain stereochemistry a) The stereochemistry is E. The Br has higher priority on one carbon stereocenter, but it has lower priority on the other. b) The stereochemistry is
A student attempting to sulfonate styrene (vinyl benzene) obtains a by product that contains neither sulfur nor oxygen atoms. Efforts to nitrate styrene yield identical results. Of
1s 2 , 2s 2 , 2p 6 3s 1 shows configuration of: (1) Al 3+ in ground state (2) Ne in excited state (3) Mg + in excited state (4) None of these Ans: Mg + in
Al is used as reducing agent for the extraction of metals such as Chromium,Monganes.Explain why? Solution) Al3+ + 3 e- Al Good reducing agents like aluminum have relatively
energy order of octahedral, tetrahdral, squareplaner.
RNA nucleotides Base + Ribose → (Nucleoside) + Phosphoric acid → Nucleotide
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