\' OVLv2 l Online teachin × G Google 1. assignment-take OH HOOC COOH 1 pr 1 pr 1
ID: 1032397 • Letter: #
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' OVLv2 l Online teachin × G Google 1. assignment-take OH HOOC COOH 1 pr 1 pr 1 pt 1 pt Reagents a. 2 NaNH2 b. 2 HCHO then HCI .H2.Pl d. H2. Lindlar's catalyst e. Na, NH3 (liq) g. CH2l2. Zn(Cu) h. RCO3H i. H2CrO4 2 then HCI f pt f pt 1 pr Select reagents from the table to carry out each step of this conversion of acetylene into a dioic acid If more than one reagent is necessary for a particular step,enter the letters in the order that you wish to use the reagents without punctuation (i.e. 'be) If the reaction bas only three steps, leave step 4 blank Step 1: Step 2: Step 3:[ Step 4 1 pr Submit Answer Try Another Version item attempts remaining Previous Ned o search 02Explanation / Answer
Reagent for step 1: ab
Reagent for step 2: d
Reagent for step 3: i
Explanation: NaNh2 is a strong base which abstracts acidic proton and produces acetylide ion which on further reaction with aldehyde produces alcohol as product. Reduction of triple bond with H2, Lindlard's catalyst produces cis-alkene as product. oxidation of alcohol with H2CrO4 produces carboxylic acid as product.
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