Reactions of Haloarenes with Metals

Q. 19. Is there any difference in the cleavage of ethers reaction between excess HBr and excess HI?

Q. Which of the following substances is formed when syn gas mixture reacts with steam at 673 K in the presence of iron chromate catalyst?

Q.

Biphenyl is obtained by treating chlorobenzene with Na metal in presence of ether, the reaction is called as :

1. Wurtz reaction

2. Fittig reaction

3. Wurtz-Fittig reaction

4. None

Q.

why should the ether used in wurtz reaction be dry?

Q. when an alkane reacts with a halogen , how to determine which chiral form is a major product?

Q. The Wurtz-Fittig reaction involves

1. one molecule of each of aryl halide and phenol
2. one molecule of each of aryl halide and alkyl halide
3. two molecules of aryl halides
4. two molecules of alkyl halides

Q. How do you convert 1 chlorobutane to but-1-ene ?