Related InterviewSolutions

• Stereoisomers may be of different types. Stereosiomers that are radialy interconvertible by rotation around a `sigma-`bond are known as_______isomersA. geometricalB. opticalC. cis-transD. conformational
• Which of the following is true for the given reaction? `overset( :overset(..)O:^-)overset(|)((S)-C_2H_5CHCH_3+CH_3I)rarroverset(OCH_3)overset(|)C_2H_5CHCH_3+I^(-)`A. The configuration is unchanged and the product is `S`B. The configuration is chnaged and the product is `R`C. The configuration is chnaged and product is `S`D. The configuration is unchanged and the product is `R`
• Which of the folloiwng is true for the given reaction? `(S)-C_(3)H_(7)CH(OH)CH=CH_(2)+H_(2)overset(Pt)rarrC_(3)H_(7)CH(OH)CH_(2)CH_(3)`A. The configuration is unchanged and the product is `R`B. The configuration is chnaged and the product is `S`C. The configuration is chnaged and product is `R`D. The configuration is unchanged and the product is `S`
• Consider the following organic compound `overset(1)CH_(3)overset(2)CH_(2)overset(3)CH_(2)overset(4)CH_(2)overset(5)CH_(2)overset(6)CH_(2)overset(7)CH_(3)` To make it a chiral compound, the attack should be on carbonA. `7`B. `3`C. `4`D. `1`
• Isomers are different compounds that have the sameA. empirical formulaB. molecular formulaC. precentage compositionD. all of these
• Which of the following compounds possesses a chiral centre?A. B. C. D.
• If there is no rotation of plane polarized light by a compound in a specific solvent, through to be chiral, it may mean that:A. there is no compound in the solventB. the compound may be a racemic mixtureC. the compound is certainly a chiralD. the copound is certainly meso
• The device that is used for measuring the effect of plane polarized light on optically active compounds is known asA. polariscopeB. polarimeterC. both`(1)`and`(2)`D. periscope
• The number of chiral centres present in `3,4`-dichloropentan`-2-ol` isA. `3`B. `4`C. `1`D. `2`
• Which of the following generla rules for switching ligands or rotaing Fischer structures is incorrect?A. An even number of switches results in no change in the configurationB. An odd number of switches changes the configuration to that of the enantiomerC. The structure cannot be rotated out of the plane of the paperD. The structure can be rotated in the plane through `90^(@)`