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Why bromoethane are insoluble
Because only two layers form, two of the three substances are mutually soluble. we know that water and bromoethane are insoluble-they form two layers. From the reading, we know that hexane, a hydrocarbon, is insoluble in water. Thus, one layer is water and the other is a solution of hexane and bromoethane. If volumes are nearly additive, the hexane-containing layer will be the one with larger volume.
Polyglycolic acid (PGA) : It is acquired by the chain polymerisation of cyclic dimer of glycolic acid, OH-CH2-COOH.
1-methylcyclohexene Because 1-methylcyclohexene has dissimilar numbers of alkyl branches at the carbons of its double bond, it gives dissimilar products in the two reactions.
If molecular mass and atomic mass of sulphur are 256 and 32 respectively, its atomicity is: (1) 2 (2) 8 (3 )4 ( 4)16 Ans: 8
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