Chemistry
2018 · Paper 1
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Complete GATE CY 2018 Paper 1 overview, original pages and practice · Timed previous-paper practice
Questions 64–65 of 65. Imported answers require review unless explicitly marked reviewed.
Question 54
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A tetrapeptide, made up of natural amino acids, has alanine as the N-terminal residue which is coupled to a chiral amino acid. Upon complete hydrolysis, the tetrapeptide gives glycine, alanine, phenylalanine and leucine. The number of possible sequences of the tetrapeptide is _____.
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The strongest band observed in the IR spectrum of the final product of the following reaction appears, approximately, at _____ × 100 cm⁻¹. (Up to one decimal place)

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