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Question- Compound A is a water-soluble liquid that gives positive 2, 4-dinitrophenylhydrazine and iodoform tests and a negative tollens test. The IR spectrum of A has bands at 2950, 1720, 1370 cm^-1. The 1 HNMR spectrums consists of 4 signals: a triplet at 2.3, a singlet at 2.0 and a sextet at 1.3 and a triplet at 1.2 in ratio of 2:3:2:3 respectively. What is the structural formulas of the compound.
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Calculate the pH of the solution obtained by dissolving 0.2 moles of glycine and 0.1 mole NaOH in a liter of water.
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Problem- The Claisen condensation of which of these esters demands the use of (c6h5)3cna as the base (as opposed to sodium ethoxide) a) Ch3ch2co2c2h5 b) ch3co2c2h5 c) c6h5ch2co2c2h5 d) c6h5ch(ch3)co2c2h5 e) none of these
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