Wittig Ylid

Q. 33. Consider the following sequence of reactions: Benzene> A ( In presence of CO, HCl, Anhydrous AlCl3/ CuCl) A> PhCH= CHCOPh ( In presence of B, OH, 293 K) The substance B is: 1. Benzene 2. Acetophenone 3. Benzaldehyde 4. Acetone

Q.

When phenyl magnesium bromide reacts with tertiary butyl alcohol, the product formed would be

1. Phenol

2. Benzene

3. Tertiary butyl benzene

4. t- butyl phenyl ether

Q. (D) gives positive Tollens' test, whereas (C) does not. The correct statement(s) given below is/are:

1. (A) and (C) are the same compound
2. (A) and (D) are the same compound
3. (B) and (E) are the same compound
4. (E) on reductive ozonolysis gives (D) as one of the products