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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.
(a) Given the values below, calculate the concentration of benzoyl peroxide required to prepare polystyrene with a number average molar mass of 400,000 by bulk free radical polymer
Give detail about criteria of purity ?
Simple crystallisation - Purification of organic compounds This is the most general technique used to purify organic solids. It is associated with the concept that whenever
Explain Solubility of one liquid in another -Liquid–Liquid Equilibria Suppose substances A and B are both liquids when pure. In discussing the solubility of liquid B in li
how to assign r s configuration
54) Note: This problem is worth double credit.It is desired to concentrate a caustic soda solution from 12.5 to 40.0% in a double-effect evaporator. Feed solution at a flow rate of
how to calculate equivalent weight of phenol
Water at 150 kPa is contained in a 300 L tank.At this state (state 1), 95% of the volume isoccupied by saturated vapour. Heat is transferred to the water thereby raising itspressur
Boron The only nonmetallic element in group 13, boron has a strong tendency to covalent bonding. It's lonely complex structural chemistry arises from the (2 s )2(2 p )1 configur
how to name the following compound and how to assign oxdiation state aof central metal ion : positive complex ion containing two cobalt metal atoms which are held by the bridges hy
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