Which of the following alkyl halides undergoes the fastest S_s2reaction with sod

Question

Which of the following alkyl halides undergoes the fastest S_s2reaction with sodium cyanide, NaCN? methyl halides ethyl iodide 2-iodopropane tert-butyl iodide Which of the following sets consists of only polar aprotic solvents? water, hexane, methanol acetic acid, DMF, toluene DMSO, ethanol, acetonitrile DMF, acetonitrile, DMSO What is(are) the major organic product(s) obtained from the following substitution reaction? only 1 only 2 only 3 a mixture of 1 and 2 Which of the following is best set of conditions for the preparation of tert-butanol? tert-butyl fluoride in water tert-butyl bromide in water tert-butyl fluoride and NaOH in DMSO tert-butyl bromide and NaOH in DMSO What is the characteristic of a radical chain propagation step? Radicals are formed Byproducts are formed A radical reacts with a molecule to give a new radical and a new molecule. Two radicals combine to give a molecule. What is(are) the major organic product(s) obtained from the following substitution reaction? only 1 only 2 only 1 and 2 1, 2 and 3

Explanation / Answer

Ans 10) methyl iodide react fastest with NaCN due to less steric hinderance is caused by methyl group.

Ans 11 d) DMF, acetonitrile, DMSO

Ans 12 A) only 1 Ome group will attack from axial position

Ans15 c only a and b

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