List of top Chemistry Questions on Organic Chemistry asked in GATE CY

The correct statement(s) regarding myoglobin (Mb) and haemoglobin (Hb) is(are)

The major product formed in the given reaction is 

 

The tetracoordinated copper center in the oxidized and reduced forms of plastocyanin exhibits longest bond with
Wacker oxidation of alkenes is catalyzed by a combination of
Product(s) formed in the reaction below is(are)
The stereoisomer(s) of G giving the depicted product is(are):
Product(s) formed in the given reaction sequence is(are)
The reaction(s) in which inversion of configuration occur(s) is(are)
Product(s) formed in the given reaction sequence is(are)
E and F in the given reaction scheme are determined for the photolysis (\(h\nu\)) of the fused N–O heterocycle bearing an N-phenyl group, followed by thermolysis (\(\Delta\)).}
M and N in the given reaction scheme are (Simmons–Smith on the alkene, then OsO\(_4\)/NMO):
A compound, \(\mathrm{C_{15}H_{16}O_2}\), has the following spectral data;
\(^1\)H NMR (ppm): 9.16 (s), 6.89 (d, \(J = 8\) Hz), 6.64 (d, \(J = 8\) Hz), 1.53 (s)
\(^ {13}\)C NMR (ppm): 154.7, 140.9, 127.1, 114.4, 40.7, 30.7
The structure of the compound is
The major product formed in the given reaction sequence is
The acetolysis product(s) of the given reaction (solvolysis of the benzylic tosylate in AcOH) is(are)
Product(s) formed in the given reaction is(are):
The organometallic catalyst for the following transformation is (intramolecular olefin closure giving a cyclohexene and ethylene, i.e., ring-closing metathesis):
The major product formed in the following reaction is \(\; \mathrm{nBu_3SnH,\ AIBN,\ C_6H_6,\ heat}\)
The reaction of Ph\(_3\)PCl\(_2\) with PhNH\(_2\) primarily produces
Wacker oxidation of alkenes is catalyzed by a combination of
The major product formed in the given reaction is
The major product formed when the \(\,o\)-(\(\mathrm{Me_3Si}\))-aryl triflate (a Kobayashi benzyne precursor) is treated with Ph–substituted cyclohexene in the presence of \(\mathrm{CsF}\) in \(\mathrm{CH_3CN}\) at r.t. is (A)–(D) as shown in the figure.
The topicity relationship of \(H_a\) and \(H_b\) in X, Y and Z (as drawn in the figure) are, respectively,
Compound \(\mathbf{P}\) was prepared based on a four-component reaction at room temperature in methanol. The required starting materials for the synthesis are (structure of \(\mathbf{P}\) shown).
The major product formed in the given reaction is: \[ \text{TiCl}_3(\text{DME})_2 \quad \text{Zn-Cu} \quad \text{DME, r.t.} \quad \longrightarrow \quad 1,2-\text{Dimethoxyethane}. \]
The compound which gives a fragment at \(m/z = 124 [M+H]^+\) is: