Which one is most reactive towards SN1 reaction
Options
(a) C₆H₅CH(C₆H₅)Br (b) C₆H₅CH(CH₃)Br (c) C₆H₅C(CH₃)(C₆H₅)Br (d) C₆H₅CH₂Br
Correct Answer:
C₆H₅C(CH₃)(C₆H₅)Br
Explanation:
No explanation available. Be the first to write the explanation for this […]
The best method for the separation of naphthalene and benzoic acid from their mixture is
Options
(a) distillation (b) sublimation (c) chromatography (d) crystallisation
Correct Answer:
sublimation
Explanation:
Sublimation method is used […]
In steam distillation of toluene, the pressure of toluene in vapour is
Options
(a) equal to pressure of barometer (b) less than pressure to barometer (c) equal to vapour pressure of toluene in […]
Which of the following technique is most suitable for purification of cyclohexanone from a mixture containing benzoic acid, isoamyl alcohol,cyclohexane and cyclohexanone
Options
(a) sublimation (b) evaporation (c) crystallisation (d) IR spectroscopy
Correct […]
The IUPAC name of (CH₃)₂CH – CH₂ – CH₂Br is
Options
(a) 1-bromo-3-methylbutane (b) 2-methyl-3-bromopropane (c) 1-bromopentane (d) 2-methyl-4-bromobutane
Correct Answer:
1-bromo-3-methylbutane
Explanation:
No explanation available. Be the first to write the explanation […]
Decreasing order of nucleophilicity is
Options
(a) OH⁻ > NH₂⁻ > CH₃O⁻ > RNH₂ (b) NH₂⁻ > OH⁻ > CH₃O⁻ > RNH₂ (c) NH₂⁻> CH₃O⁻ > OH⁻ > RNH₂ (d) CH₃O⁻ > NH₂⁻ […]
The strained tetracyclic alkane is isomerized thermally to the cyclic alkene.The reaction involves
Options
(a) free radical (b) carbocation (c) carbanion (d) carbene
Correct Answer:
free radical
Explanation:
No explanation available. Be the […]
2-phenylethylbromide when heated with NaOEt, elimination takes place. No deuterium exchange takes place when the reaction is carried out in C₂H₅OD solvent. The mechanism will be
Options
(a) E1 elimination (b) E2 elimination […]
The compounds having only primary hydrogen atoms is
Options
(a) isobutene (b) 2,3-dimethylbutene (c) cyclohexane (d) propyne
Correct Answer:
isobutene
Explanation:
No explanation available. Be the first to write the explanation for this […]
If 0.189 g of chlorine containing organic compound gave 0.287 g of silver chloride then the percentage of chlorine in the organic compound is
Options
(a) 35.47 (b) 35.57 (c) 37.57 (d) 45.37
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