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
Which kind of isomerism is exhibited by octahedral [Co(NH₃)₄Br₂]Cl
Options
(a) Geometrical and ionisation (b) Geometrical and optical (c) Optical and ionisation (d) Geometrical only
Correct Answer:
Geometrical and ionisation
Explanation:
[Co(NH₃)₄Br₂]Cl […]
Which of the following compounds exhibits linkage isomerism
Options
(a) [Co(en)₃]Cl₃ (b) [Co(NH₃)₆][Cr(en)₃] (c) [Co(en)₂(NO₂)Cl]Br (d) [Co(NH₃)₅Cl]Br₂
Correct Answer:
[Co(en)₂(NO₂)Cl]Br
Explanation:
This type of isomerism occurs in complex compounds which contain ambidentate […]
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