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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.
Composition of hydrocarbon (i) Alkanes: found 30 to 70% consist of upto 40 carbon molecule. Alkanes are mainly linear chain but some are branched chain isomers. (ii) Cycloal
why is it so confusing
A covered glass tube contains 2.25g of copper and 3.32g of sulphur. The mass of the tube as well as its contents is 18.48 g. Upon heating a chemical reaction forms copper(II) sulph
metal A was determined to be 95%extracted into methylene chloride with dethizone at pH6, when equal volumes of aqueous and non-aqueous solvents were used. what is the distribution
Briefly discuss the physical origin and uses of Hall effect? Its physical origin follows from the Boltzmann Transport phenomenon. It is used to get carrier density and the sign
In an element going away from nucleus, the energy of particle : (1) Decreases (2) Not changing (3) Increases (4) None of these Ans: Increases
What is radiometric tiration prinple and procedure of radiometric titratio
Number of unpaired electrons in Mn 4+ is: (1) 3 (2) 5 (3) 6 (4) 4 Ans: 3
What will be de-Broglie wavelength of an electron moving with a velocity of 1.2 x 10 5 ms -1 : (1) 6.068x 10 -9 (2) 3.133 x 10 -37 (3) 6.626x 10 -9
what is indicators?explain theories of indicators?
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