1. Ethers are fairly unreactive. Which reagent can transform symmetrical ethers

Question

1. Ethers are fairly unreactive. Which reagent can transform symmetrical ethers into two equivalents of the same alkyl halide? A. PBry B. HBr What is the major organic product of the reaction shown? A. B. C. D. 3. Which statement is true about the acidity of phenols? A 8. C. D. Electron withdrawing groups (EWG) typically cause phenols to become more acidic Electron withdrawing groups (EWG) typically cause phenols to become less acidic Electron donating groups (EDG) typically cause phenols to become more acidic Electron withdrawing groups (EWG) and electron donating groups (EDG) do not affect the acidity of phenols 4. What type of functional group is created when a primary alcohol is oxidized with pyridinium chilorochromate (PCC) under anhydrous conditions? A. Carboxylic acid 8. Ketone C. Aldehyde D. Ether

Explanation / Answer

In the presence of stron acid ether gives alikyl halide and alkoxide

Alkoxide on further cleavage gives alkyl halide and water.

Finally we will have 2 equivalents of the Alkyl halide and H2O.

Option 2 HBr is the right answer.

Answering only first question due to policy and time constraints.

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