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GATE CY
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Chemistry
List of top Chemistry Questions asked in GATE CY
The INCORRECT
statement is
GATE CY - 2023
GATE CY
Chemistry
Physical Chemistry
The major product formed in the following reaction is \(\; \mathrm{nBu_3SnH,\ AIBN,\ C_6H_6,\ heat}\)
GATE CY - 2023
GATE CY
Chemistry
Organic Chemistry
The reaction of Ph\(_3\)PCl\(_2\) with PhNH\(_2\) primarily produces
GATE CY - 2023
GATE CY
Chemistry
Organic Chemistry
Wacker oxidation of alkenes is catalyzed by a combination of
GATE CY - 2023
GATE CY
Chemistry
Organic Chemistry
Formation of [M(en)\(_3\)]\(^{2+}\) from [M(H\(_2\)O)\(_6\)]\(^{2+}\) and three equivalents of ethylenediamine (en) is LEAST favored when M is
GATE CY - 2023
GATE CY
Chemistry
Coordination chemistry
The major product formed in the given reaction is
GATE CY - 2023
GATE CY
Chemistry
Organic Chemistry
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.
GATE CY - 2023
GATE CY
Chemistry
Organic Chemistry
The topicity relationship of \(H_a\) and \(H_b\) in X, Y and Z (as drawn in the figure) are, respectively,
GATE CY - 2023
GATE CY
Chemistry
Organic Chemistry
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).
GATE CY - 2023
GATE CY
Chemistry
Organic Chemistry
On irradiation using UV light (\(>300\) nm), compounds X and Y predominantly undergo which photochemical pathway? (Structures as shown in the figure)
GATE CY - 2023
GATE CY
Chemistry
Radioactivity
The major product formed in the given reaction is:
\[ \text{TiCl}_3(\text{DME})_2 \quad \text{Zn-Cu} \quad \text{DME, r.t.} \quad \longrightarrow \quad 1,2-\text{Dimethoxyethane}. \]
GATE CY - 2023
GATE CY
Chemistry
Organic Chemistry
The compound which gives a fragment at \(m/z = 124 [M+H]^+\) is:
GATE CY - 2023
GATE CY
Chemistry
Organic Chemistry
Which among the following is true?
GATE CY
Chemistry
Organic Chemistry – Some Basic Principles and Techniques
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