1. Which of the compounds below is the major product of the following reaction?
ID: 1027206 • Letter: 1
Question
1. Which of the compounds below is the major product of the following reaction? CH3 H2O+ H3C CH3OH CH3 CH3 CH3 CH3 3 H3CO H3C CH3 OH CH CH H3CO CH3 HO CH3e CH3 2. Which of the following substrates reacts most rapidly in E1 elimination? CI CH3 H3C H2C Ph CH3 d. Ph Aqueous nitrous acid (HONO) converts primary amines (RNH2) into diazonium ions (RN2+) Which of the following statements is false? 3. R-NH HONO Heating a mixture of a primary amine with -hydrogens and HONO will necessarily result in elimination by the E1 mechanism a. b. -N2+ is a good leaving group c. When R is a primary alkyl group and a weak nucleophile such as ethanol is present, SN2 will occur predominantly Formation of RN2+ from HONO and RNH2 involves an elimination process When R is a tertiary alkyl group, elimination of R-N2+ is not possible d. e.Explanation / Answer
1) option A is correct
Explanation: Addition of CH3OH to alkene in presence of acid catalyst produces more substituted ether as product.
2) option B is more reactive in E1 elimination
Explanation: E1 elimination reaction of structure B produces conjugated double bonds which is more stable so it is more reactive.
3) The false statement is option C.
Explanation: SN2 reaction invovles strong nucleophile not weak nucleophile.
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