Organic Chemistry PYQs – Set 66
Subject : Organic Chemistry
1301. Quinoline contains two fused rings. One ring in quinoline is attached to the second ring via a one-carbon bridge. The second ring is
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1302. The molecular formula of phenanthrene is:-
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1303. In electrophilic substitution of pyridine, reaction of pyridine with H₂O₂ in acetic acid leads to formation of:-
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1304. Oxazole is prepared by the condensation of α-amino carbonyl compound with
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1305. Gabriel ring closure method is employed for the synthesis of :
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1306. The specific reagents used in Skraup synthesis of quinoline are
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1307. A fully saturated four-membered heterocycle with one oxygen is called:
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1308. Hydrogenation of pyridine (Pt, 25°C, 3 atm) yields:
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1309. In the electrophilic substitution of pyridine with hydrogen peroxide in acetic acid, the reaction yields:
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1310. Which compound is most basic?
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1311. Isoquinoline treated with oleum at 90°C yields predominantly which product?
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1312. Name the following drug molecule:
Organic Chemistry • Heterocyclic Chemistry • GPAT 2015
1313. What is the relationship between keto and enol tautomers?
Organic Chemistry • Isomerism • GPAT 2015
1314. Which of the following statement is true about the following reaction [scheme shown]
Organic Chemistry • Isomerism • GPAT 2015
1315. Anthracene is isomeric with:-
Organic Chemistry • Isomerism • GPAT 2015
1316. Which among the following correctly defines diastereomer?
Organic Chemistry • Isomerism • GPAT 2015
1317. Anti addition of bromine to trans-2-butene yields :
Organic Chemistry • Isomerism • GPAT 2015
1318. Dehydration of this dicarboxylic acid to obtain corresponding anhydride is difficult due to stereochemical arrangement :
Organic Chemistry • Isomerism • GPAT 2015
1319. Which amino acid does not exhibit optical isomerism?
Organic Chemistry • Isomerism • GPAT 2015
1320. Propanone and 2hydroxypropene are
Organic Chemistry • Isomerism • GPAT 2015
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