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ID: 1013876 • Letter: C
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ckboard/execute/displayLearningUnit?course id40518 1&content; id- 4894409_18f u -la earninguni course o 40518 18c onten.-4894409 8trar nesetWrapped true 2. Identify the molecular formula of the organic product of the following reaction. FeCl A. C&HsC; B. C&H4Cl2; C. C&H; C D. C&H;&Cl2; E. C&HsFeC; 3. Provide the L.U.P.A.C. name of the following compound A. butene B. cis-2-butene C. trans-2-butene D. propene E. cis-1,2-butene 4. Provide the I.U.P.A.C. name of the following compound. A. propene B. ethane C. propyne D. acetylene E. butyne 5. The polymer shown below was formed by the addition polymerization of an alkeneExplanation / Answer
Q.2: Benzene reacts with Cl2/FeCl3 to form chlorobenzene. Hence the molecular formulae is C6H5Cl. Hence option (a) is correct.
Q.3: Since similar groups are present on opposite side this is a trans alkene. Hence IUPAC name is trans-2-butene. Hence option (c) is correct.
Q.4: The given compound is an alkyne with 3 C atoms. Also the triple bond is attached to first carbon. Hence the IUPAC name is propyne. Hence option (c) is correct.
Q.15: The longest chain should contain the triple bond and and maximum number of C atoms which is 6 atoms here. The numbering will start from the triple bond and the side chain -CH3 group will be numbered at 5. Hence the IUPAC name is 5-methyl-hex-1-yne
Q.18: 2-methyl-but-2-ene
Q.19: hept-2-yne
Q.20: 1,2-dibromoprop-1-ene
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