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Hard Water

47 A compound...

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47 A compound A having molecular formula C4H9Br on reaction with alcoholic KOH gives a compound B. Bromination of B gives compound C. Compound C treatment with soda lime gives a gaseous compound D. The gas D when passed through ammonical silver nitrate solution form white precipitate. Identify A B C D & reaction involved.

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Q. A compound A having molecular formula

C_{4} H_{9} B r

on reaction with alcoholic

K O H

gives a compound B. Bromination of B gives compound C. compound C on treatment with soda lime gives a gaseous compound D. The gas D when passed through ammonical silver nitrate solution forms white precipitate. Identify A, B, C and D and write the reactions involved.

Q. A compound A with molecular formula

C_{10} H_{13} C l

gives a white precipitate on adding silver nitrate solution. A on reacting with alcoholic KOH gives compound B as the main product. B on ozonolysis gives C and D. C gives Cannizaro reaction but not alodol condensation. D gives aldol condensation but not Cannizaro reaction. A is:

Q. A compound A with molecular formula

C_{10} H_{13} C l

gives a white precipitate on adding silver nitrate solution. A on reacting with alcoholic KOH gives compound B as the main product. B on ozonolysis gives C and D. C gives Cannizaro reaction but not alodol condensation. D gives aldol condensation but not Cannizaro reaction. A is:

Q. An organic compound (A) with molecular formula

C_{8} H_{8} O

forms an orange-red precipitate with 2,4 DNP and gives a yellow precipitate of compound (B) on treatment with iodine and sodium hydroxide solution. Compound (A) does not give Tollen's or Fehling test but on drastic oxidation with potassium permanganate, it gives (C) which on reaction with thionyl chloride gives a compound (D) having formula

C_{7} H_{5} O C l

. (D) on reaction with compound (E) having general formula

R_{2} C d

gives back (A)/ Identify (A), (B), (C), (D) and (E). Also, give chemical equations for the reaction involved.

Q. A compound responds to Baeyer's test but does not give white precipitation when treated with ammonical silver nitrate solution the compound should be:

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