organic puzzle

4. Palladium catalysed coupling reaction (4)
5. A chromium based oxidising reagent useful in conversion of alcohols to aldehydes (5)
8. reaction where two sigma (σ) bonds are formed or broken on the same atom of one reactant (11)
10. reaction which involves selective conversion of acylchloride into aldehydes (9)
13. which can be converted to molecules with chiral centers by a single chemical substitution or addition reaction (9)
15. a 2D projection formula used to visualise molecules’ 3D structure(6)
17. a widely used oil-soluble free radical initiator in polymer chemistry and organic synthesis (4)
19. Catalyst for hydrogenation, named after its discoverer (9)
20. Illustration showing radiative and non-radiative paths in photolysis (9)

1. Oxidation reagent related to chromic acid used in mild oxidation of alcohols to aldehydes and ketones (6)
2. the photolysis reactions of nitrite esters into -nitrosoalcohols (6)
3. a French Physicist credited for discovering Photovoltaic effect at the age of 19 (9)
6. a stable free radical, used in chemical industry for syntheses of many organic compounds as well as for electrodes in all organic radical batteries(5)
7. reaction involving coupling of two alkyl halide molecules using sodium metal to form a symmetrical higher alkane (5)
9. an organic compound commonly used as a mild oxidising agent and as well act as dehydrogenase reagent for partially unsaturated alicyclic rings (9)
11. An American stereochemist, two time Nobel laureate in Chemistry, known for his work on stereoselective reactions(9)
12. reaction which involves conversion of ortho-/para-hydroxy aromatic aldehydes and ketones into phenols under basic condition (5)
14. reaction which couples two aryl halides using copper catalysis to form biaryls, typically under high-temperature conditions (7)
16. reagent used to convert aldehydes and ketones to alkenes (6)
18. strong reducing agent exist as dimer, reduces carbonyl compounds and nitriles (4)