1) Procedure: Formation of Acetylides a. Reaction with Ammoniacal Cuprous Chloride Add 2 ml of ammoniacal cuprous chloride solution to a fourth test tube of acetylene. b. Reaction with Ammoniacal Silver Nitrate Add 3 ml of ammoniacal silver nitrate solution to a fifth test tube of acetylene. Question: Of the two general types of acetylene derivatives, R-C=C-H and R-C=C-R, which would be expected to give a positive test with the reagent used in procedure? What structural effect or feature is required for the reaction? What is the function of ammonia in these reactions? 2) What volume of acetylene measured at standard conditions could be obtained from 10 grams of calcium carbide?

1) Procedure: Formation of Acetylides a. Reaction with Ammoniacal Cuprous Chloride Add 2 ml of ammoniacal cuprous chloride solution to a fourth test tube of acetylene. b. Reaction with Ammoniacal Silver Nitrate Add 3 ml of ammoniacal silver nitrate solution to a fifth test tube of acetylene. Question: Of the two general types of acetylene derivatives, R-C=C-H and R-C=C-R, which would be expected to give a positive test with the reagent used in procedure? What structural effect or feature is required for the reaction? What is the function of ammonia in these reactions? 2) What volume of acetylene measured at standard conditions could be obtained from 10 grams of calcium carbide?

Organic Chemistry: A Guided Inquiry

2nd Edition

ISBN:9780618974122

Author:Andrei Straumanis

Publisher:Andrei Straumanis

Chapter19: Eas: Electrophilic Aromatic Substitution

Section: Chapter Questions

Problem 17E

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