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- 1. Multiple Choice
Which of the following statement is FALSE about nucleophile?
It is a lone pair donor
It must be a negatively charged ion
Attracted to electron deficient carbon
- 2. Multiple ChoiceThe type of reaction shown is calledAddition reactionNucleophilic reactionElectrophilic reactionSubstitution reaction
- 3. Multiple ChoiceThe type of reaction shown is calledAddition reactionNucleophilic reactionElectrophilic reactionSubstitution reaction
- 4. Multiple ChoiceSN2 reaction is favoured by1° halogenoalkane2° halogenoalkane3° halogenoalkane1° and 2° halogenoalkane
- 5. Multiple ChoiceReaction below shows SN2 reaction. Which statement is FALSE?Bimolecular collisionOH- is a nucleophileTwo step mechanismMolecularity is 2
- 6. Multiple ChoiceSN2 reaction is favoured by 1 ° halogenoalkane due tonucleophile attackcarbocation formationless bulky group and less steric hindrancebimolecular collision
- 7. Multiple ChoiceThe reaction mechanism shown below isSN1SN2SN1 and SN2None of the above
- 8. Multiple ChoiceSN1 reaction is favoured by1° halogenoalkane2° halogenoalkane3° halogenoalkane1° and 2° halogenoalkane
- 9. Multiple ChoiceReaction below shows SN1 reaction. Which statement is FALSE?Unimolecular collisionOH- is a nucleophileTwo step mechanismMolecularity is 2
- 10. Multiple ChoiceSN1 reaction is favoured by 3 ° halogenoalkane due tonucleophile attackless bulky group and less steric hindrancemore stable carbocation formationbimolecular collision
- 11. Multiple ChoiceThe reaction mechanism shown below isSN1SN2SN1 and SN2None of the above
- 12. Multiple ChoiceWhich of the following is FALSE for SN1 reaction?Favored by 3° halogenoalkane1 step mechanismFavored by protic solventRate is faster than SN2
- 13. Multiple ChoiceRate of nucleophilic SN2 substitution is fastest for CH3CH2I compared to CH3CH2F due tostronger C-I bondweaker C-F bondweaker C-I bondNone of the above
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