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31
Match the compounds P-S with their carbonyl stretching frequencies (cm-1) I-VI in IR spectroscopy.
P. Acetone I. 1870
Q. Ethyl acetate II. 1800
R. Acetamide III. 1740
S. Acetyl chloride IV. 1700
V. 1660
VI. 1600
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Answer: Option C
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32
The decreasing order of acidity of the marked H of the following molecules is
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Answer: Option C
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33
On heating with dilute sulphuric acid, naphthalene-1 sulphonic acid gives predominantly
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Answer: Option B
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34
In the reaction, \[P{h_3}P\xrightarrow{{\,\,{\text{Mel}}\,\,}}\left[ X \right]\xrightarrow{{n - {\text{BuLi}}}}\left[ Y \right]\]      the compounds X and Y, respectively, are
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Answer: Option B
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35
The amino acid side chain high affinity for Ca2+ and Cu2+ in metallo-proteins is
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Answer: Option C
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36
The decreasing order of the reactivity of the following compounds towards electrophiles is
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Answer: Option D
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37
The two pericyclic reactions successively involved in the thermal transformation given below are
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Answer: Option D
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38
Bridge-head hydrogen of the conformer of cis-decalin is positioned as [a = axial; e = equatorial]
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Answer: Option C
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39
The compound
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is
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Answer: Option A
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40
Among the following, the Newman projections of meso-2, 3-butanediol are
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Answer: Option B
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