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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.
Anomalous behaviour of Beryllium
Existence of positively charged nucleus was established by: (1) Positive ray analysis (2) α -ray scattering experiments () X-ray analysis (4) Discharge tube exper
Classification of dyes according to their application Direct dyes: this type of dyes can be directly applied to the fiber, both vegetable and animal, by dipping in hot aqueo
Find te emprical formula for the oxide that contains 42.05 g of nitrogen and 95.95 g of oxygen
calculate the electrode potential of a platinum electrode immersed in a solution containing Ce4 + ions (cCe4 + = 0.05M) and Ce3 + ions (cCe3 + = 0.1M)
Which of the following has maximum number of unpaired electron (atomic number of Fe 26): (1) Fe (2) Fe (II) (3) Fe (III) (4) Fe (IV) An
Name the chief ore of silver. Explain with chemical equations the extraction of silver from this ore.
how can the melting point be used to determine the purity of organic compounds
Ask question formaldehyde reacts with NH3 #Minimum 100 words accepted#
Number of electrons in -CONH 2 is: (1) 22 (2) 24 (3) 20 (4)28 Ans:24
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