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- (a) Give the IUPAC name for A and B. (b) Draw the product formed when A or B is treated with each reagent: [1] NaBH4, CH3OH; [2] CH3MgBr, then H2O; [3] Ph3P = CHOCH3; [4] CH3CH2CH2NH2, mild acid; [5] HOCH2CH2CH2OH, H+.The IUPAC name of the compound H- is (a) 5-formylhex-2-en-3-one (b) 5-methyl-4-oxohex-2-en-5-al (c) 3-keto-2-methylhex-5-enal (d) 3-keto-2-methylhex-4-enal ( The correct statement regarding electrophile is (a) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from another electrophile (b) electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile (c) electrophile can be either neutral or ar positively charged species and can form a bond by accepting a pair of electrons from a nucleophile (d) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile.. Which among the given molecules can exhibit tautomerism? Ph Ph I II III (a) III only (c) Both I and II (b) Both I and III (d) Both II and III 1) Which of the following biphenyls is optically active?1. Give the IUPAC names of the following compounds. (a) (b) F & Br. CI (c) (d) O₂N. CH3 CH3
- The IUPAC name of the compound is (a) 5-formylhex-2-en-3-one (b) 5-methyl-4-oxohex-2-en-5-al (c) 3-keto-2-methylhex-5-enal (d) 3-keto-2-methylhex-4-enal The correct statement regarding electrophile is (a) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from another electrophile (b) electrophiles are generally neutral species and can form a bond by accepting a pair of electrons from a nucleophile (c) electrophile can be either neutral or positively charged species and can form a bond by accepting a pair of electrons from a nucleophile (d) electrophile is a negatively charged species and can form a bond by accepting a pair of electrons from a nucleophile, Which among the given molecules can exhibit tautomerism? Ph Ph I III (a) III only (b) Both I and III (d) Both II and III (c) Both I and II 5) Which of the following biphenyls is optically active? II1. Give the IUPAC names of the following compounds. (a) F (b) CI (c) (d) O₂N. CH3 CH3Give an IUPAC and common name for each of the following naturally occurring carboxylic acids: (a) CH3CH(OH)CO2H (lactic acid); (b) HOCH2CH2C(OH)(CH3)CH2CO2H (mevalonic acid).
- The action of heating one mole of water (containing a trace of acid catalyst) on one mole of compound Y produces one mole of CH,COOH and one mole of CH, CH,NH, The structure of Y is: Select one: O CHCNCCH, CH,CH,NHCH,CH, OH CH CHNHCH,CH, O CHCH,CNHCH; O CH;CH NHÖCH;Give both the IUPAC name and the common name for each alcohol.(a) CH3CH2CH(OH)CH3Draw the organic products formed when cyclopentene is treated withfollowing reagent. [1] LiAlH4; [2] H2O
- 3. a) Provide a structure for 5-bromocyclohex-2-en-1-ol b) Provide a structure for 2,3,4,5-tetramethylheptane c) Provide an IUPAC name for the following compound:H,C-CH-CH-CH, CHO (a) 3-ethyl-2-methybutanal (b) 2, 3-dimethylpentanal (c) 2-ethyl-3-methylbutanal (d) 2-ethyl-3-methylbutan-3-al CHO 2. The IUPAC name of is Br (a) 2-methyl-3-bromohexanal (b) 3-bromo-2-methylbutanal (c) 2-methyl-3-bromobutanal (d) 3-bromo-2-methylpentanal 3. The IUPAC name of the compound HO- isDraw the structure of C4H1,O if the compound: (1) reacts with Na but fails to react with a strong oxidizing agent such as K,Cr,O;; (2) gives a negative iodoform test; and (3) gives a positive Lucas test in 4 minutes. (ii) Give structures and IUPAC names of the alcohols formed from (CH3),CHCH=CH2 by: (i) dilute H,SO,; (ii) В,Нь, then H,Oz, он.