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Carbenes (: CH(2)) are neutral species i...

Carbenes `(: CH_(2))` are neutral species in which carbon atom has six electrons in the outer shell, out of which two constitute a lone pair and two are shared

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AAKASH SERIES-GENERAL ORGANIC CHEMISTRY-Subjective Exercise -8
  1. The stability order of alkyl free radicals is: (CH(3))(3) overset(.)C ...

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  2. The stability order of alkyl free radicals can be explained by hyperco...

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  3. Carbenes (: CH(2)) are neutral species in which carbon atom has six el...

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  4. Carbon atom in carbene is in sp^(2) hybridisation

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  5. Basing on the nature of the attacking site in the substrate, attacking...

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  6. Nucleophiles donate a free electron pair to the electron deficient cen...

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  7. Nucleophiles are either negatively charged or neutral

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  8. Cl^(-), Br^(-), I^(-), NH(2)^(-) , RNH^(-), R(2)N^(-), OR^(-), RCOO^(-...

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  9. overset(..)(N)H(3), R overset(..)(N)H(2), R(2)NH, R(3) overset(..)(N),...

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  10. Electrophiles are electron deficient and attack the substrate where th...

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  11. Electrophiles are either positively charged or neutral

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  12. H^(+). Cl^(+), Br^(+), I^(+), NO(2)^(+), R(3)C^(+), NH(4)^(+), NO^(+),...

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  13. SO(3), BF(3), AlCl(3), FeCl(3), ZnCl(2), BeCl(2) etc., are neutral ele...

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  14. Nucleophiles act as Lewis bases and electrophiles act as Lewis acids

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  15. Ambiphiles are those species which behave like electrophiles and nucle...

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  16. In substitution reactions, an atom or a group attached to a carbon ato...

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  17. Substitution reactions are further classified as free radical, electro...

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  18. Alkanes undergo free radical substitution, aromatic compounds undergo ...

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  19. If the attaching reagent adds on to the substrate molecule without eli...

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  20. In addition reactions, a triple bond is converted to double bond and a...

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