Answer to Question #62095 in General Chemistry for Ravi

Question

(a) Mention a good chemical test used to distinguish between the following pairs of
compounds:
(i) But-1-yne and but-2-yne
(ii) Ethene and ethane
(b) Write balanced equation for Friedel-Craft acylation.
(c) Identify the compounds A and B
C6H5COONa+ NaOH B
.
OR
(a) How will you convert acetylene to but-2-yne.
(b) Which is the major product obtained when 2-bromo propane is treated with
alcoholic KOH? State the rule involved.
(c) Draw the resonating structures of phenol and explain why it influences the
incoming electrophile to attack at ortho and para positions.
(d) Why is Corey- House reaction preferred for the preparation of propane as compared
to the Wurtz reaction