chemical properties

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chemical properties by Mind Map: chemical properties

1. nucleophillic substitution reaction

1.1. by -oh group

1.1.1. Ch3Ch2Br + aq KOH --------> ch3ch2oh + HBr

1.2. substitution by alkoxy grp / WILLIAMSON SYNTHESIS REACTION

1.2.1. RX + R'ONa --------> NaX + ROR'

1.2.1.1. CH3Br + CH3ONa ---------> NaBr + CH3Ch2OCH3

1.3. substitution by CYANO GRP

1.4. substitution by isocyanide grp

1.4.1. CH3Br + AgCN ---------> CH3NC + AGBr

1.5. Haloalkane give alkyl cyanide with KCN but give alkyl isocyanide with AgCn .

1.6. HOFFMAN AMONOLYSIS

1.6.1. ch3br +nh2 -------> ch3nh2-------->(ch3)2Nh -------> (ch3)3N --------->{(ch3)4N}+ Br-

1.7. substitution by carnonylate ion

1.7.1. Substitution by alkynyl grp

1.7.2. CH3COOAg +CH3Br ------> CH3COOCh3 +AgBr

1.7.2.1. ch3br +Nac---c-h -------> ch3-c---c-h+ nabr

1.8. substitution by hydrogen

1.9. CARBON ATOM CAN BE INCREASED BY THE INTRODUCTION OF -CN GRP

2. CH3Br + KCN ----------> CH3CN + KBr

3. it also happens in the presence of dry ether

4. ch3br + Mg ----------> ch3MgBr

5. ch3MgBr is known ORGANOMETTALIC COMPOUNDS

6. Reaction with metals

6.1. 1) Reaction with Na / WURTZ REACTION

6.1.1. (ch3br)2 + Na --------> 2Nabr + ch3-ch3

6.2. With Mg

6.2.1. it happens in the presence of dry ether

7. Elimination reaction

7.1. ch3ch2br + alc KOH -----> ch2=ch2 +kBr+H2o

7.1.1. ALSO KNOWN AS DEHYDROHALOGENATION / BETA ELIMINATION REACTION

7.1.1.1. IF THERE ARE 2 BETA CARBON ATOMS THEN SAYTZEFF RULE IS OLLOWED

7.1.1.1.1. SAYTZEFF RULE SAYS THAT THE CARBON HAVING LESS NO OF HALOGEN ATOMS ON DOUBLY BONDED CARBON ATOM IS THE MAJOR PRODUCT