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A student attempting to sulfonate styrene (vinyl benzene) obtains a by product that contains neither sulfur nor oxygen atoms. Efforts to nitrate styrene yield identical results. Of the 2 diastereomers of this product identified by GC, one is crystallized and characterized. Its IR spectrum features prominent bands at 3050, 2950, 1615, and 1500 cm-1, and its 1H and 13C NMR spectra are summarized below. Identify the product, assign its NMR and IR signals to the corresponding protons and bonds, and propose a mechanism for its formation. (You do not need to determine or explain the stereo chemical configuration.)
Given that dH for the reaction is -92.2 kJ mol-1, which is larger, the total bond dissociation energy of the reactants or the total bond dissociation energy of the products?
Which of the following is isoelectronic with carbon atom: (1) Na + (2) Al +3 (3) O 2- (4)N + Ans: N +
Thats a hypothesis and Yes it becomes a string.
Electroanalytical technique: An electroanalytical technique is based on the measurement of one or more electrical quantities and their magnitudes could be correlated with the
Factors affecting TLC
Q. Define product development? Product development is a future oriented practice and an effort to foresee the future needs of the market place and to translate this informatio
how to calculate equivalent weight of LMnO4
Find the number of degrees of freedom? Consider a single-phase system that is a gaseous mixture of N 2 , H 2 , and NH 3 . For each of the following cases, find the number of de
theory of the acidic and basic radicals in different chocolates
Electron occupies the available orbital singly before pairing in any one orbital occurs, it is : (1) Pauli's exclusion principle (2) Hund's Rule (3) Heisenberg's principle
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