Organic cross word puzzle

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Across
  1. 2. A step-by-step description of the overall chemical reaction (9)
  2. 3. Change in stereochemistry/configuration for SN2 product (9)
  3. 4. Planar structure of carbocations r free radicals (8)
  4. 9. Carbocation most favourable to SN1 reaction (8)
  5. 11. Postulation that favours synthesis of a compound due to the stability of its substituted carbocation (11)
  6. 13. Functional group formed as a result of the loss of hydrogen atom and a leaving group (6)
  7. 14. A one step, one substrate substitution reaction (12)
  8. 15. A rule that determines the choice E1 product (8)
  9. 16. A thermodynamic state property that drives substitution reaction (8)
  10. 18. The characteristic of a substrate, nucleophile or a leaving group which could determine its substitution reaction mechanism (4)
  11. 21. An industrial method used to generate free radical (11)
  12. 23. The rate determining step for a substitution nucleophilic unimolecular reaction (10)
  13. 24. a reaction set up in a repeating motion (involves radicals) (5)
Down
  1. 1. Functional groups (Double bonds) on adjacent carbons (in a 1, 2 position) (7)
  2. 5. A reaction step to generate radicals (10)
  3. 6. different forms of a compound’s structural arrangement because of hyperconjugation or the overlapping or filling of orbitals. (9)
  4. 7. A two step, two substrate substitution reaction (11)
  5. 8. A base with high affinity for hydrogen atom (favours Elimination) (8)
  6. 10. An atom or molecule with one or more unpaired electrons but capable of independence existence (7)
  7. 12. Preference of one isomer over another in an addition (16)
  8. 15. This cationic substrate can carry out different type of substitution reaction depending on its leaving group or solvent used. (9)
  9. 16. A thermodynamic state property that drives elimination reaction (7)
  10. 17. Property of a solvent which could affect substitution nucleophilic reaction (8)
  11. 19. A type of carbocation more favourable to SN2 reaction (7)
  12. 20. A base ready to donate its electron pair (Favors Substitution) (5)
  13. 22. In terms of substrate size, this could hinder the attack of a nucleophile (6)