10.11 Give the IUPAC names of the following compounds:
(i) CH3CH(Cl)CH(Br)CH3 (ii) CHF2CBrClF (iii) ClCH2C≡CCH2Br (iv) (CCl3 ) 3CCl (v) CH3C(p-ClC6H4 ) 2CH(Br)CH3 (vi) (CH3 ) 3CCH=CClC6H4 I-p
10.11 Give the IUPAC names of the following compounds:
(i) CH3CH(Cl)CH(Br)CH3 (ii) CHF2CBrClF (iii) ClCH2C≡CCH2Br (iv) (CCl3 ) 3CCl (v) CH3C(p-ClC6H4 ) 2CH(Br)CH3 (vi) (CH3 ) 3CCH=CClC6H4 I-p
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1 Answer
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CH3CH (Cl)CH (Br)CH3: 2-Bromo-3-chlorobutane
- Write the name of side substituent according to the alphabetical order. Example: bromo is written before chloro as B comes before
- Always use a hyphen {-} between a number and a Since Br is attached to 2 position and Cl is attached to third position i.e. it is written as 2-Bromo and 3-chloro.
- Lastly, write the name of the longest hydrocarbon chain e. butane of 4 carbons.
CHF2CBrClF :1-bromo-1-chloro-1,2,2-trifluoroethane
- While writing the IUPAC name, write the name of side substituent according to the alphabetical Eg: bromo is written before chloro and fluoro as B comes before C and F.
- Always use a
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