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A monosaccharide A has a molecular weight of 150 Da. The two stereoisomers B and C that are both optically inactive form when A reacts with NaBH4.
Show all dissimilar stereoisomers of B and show their stereochemical relationship.
what is mean of biamperometric titration
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
An atom with atomic number 20 is most likely to combine chemically with the atom whose atomic number is: (1) 11 (2) 14 (3) 16 (4) 10 An
Evidence in favor of Kekule's structure 1. Benzene combines along with 3 molecules of hydrogen or three molecules of chlorine. It also collides along with 3 atoms of ozone to
What is electron migration effects and mention their applications
Azimuthal quantum number for last electron of Na atom is: (1) 1 (2) 2 (3) 3 (4) 0 Ans: 0
A moving particle may have wave motion, if: (1) Its mass is very high (2) Its velocity is negligible (3) Its mass is negligible (4) Its mass is very high and velocity
Many ionic crystals dissolve in water because: (1) Water is an amphiprotic solvent (2)Water is a high boiling liquid (3) The process is accompanied by a positive heat of
assignment
Just like lithium and beryllium in Groups Land 2, boron also shows anomalous behaviour. In general, the boron chemistry resembles that of silicon (occupying a diagonal position in
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