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Polarity and Dipole Moments

75 Primary al...

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75 Primary alkyl halide C4H9Br (a) reacted with alcoholic KOH to give compound (b). compound (b) is reacted with HBr to give (c) which is isomer of (a).when (a) is reacted with sodium metal it's gives compou(d), C8H18 which is different from compound formed when n-butyl bromide is reacted with sodium. Give the structure formula of (a) and write the equation for all reaction?

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Primary alkyl halide C₄H₉Br (a) reacted with alcoholic KOH to give compound (b).Compound (b) is reacted with HBr to give (c) which is an isomer of (a). When (a) is reacted with sodium metal it gives compound (d), C₈H₁₈ which is different from the compound formed when n-butyl bromide is reacted with sodium. Give the structural formula of (a) and write the equations for all the reactions.

Q.
Primary alkyl halide

C_{4} H_{9} B r

(X) reacts with alc.

K O H

to give compound (Y). Compound (Y) reacts with

H B r

to give compound (Z) which is an isomer of (X). When (X) react with Na metal it gives compound (P).

Hence compound (X), (Y), (Z) and (P) respectively are :

Q. An organic compound with molecular formula

C_{4} H_{10} O

does not react with sodium . With excess of HI it gives only one type of alkyl halide. The compound is:

Q. A primary alcohol,

C_{3} H_{8} O (A)

on heating with sulphuric acid undergo dehydration to give an alkene, B. B, when reacted with

H C l

, gave C, which on treatment with aqueous KOH gives compound

D (C_{3} H_{8} O)

Q. An organic compound C(molecular formula C2 H4 O2) reacts with sodium metal to form a compound B and evolves a gas which burns with a pop sound.Compound C on treatment with an alcohol A in presence of an acid forms a sweet smelling compound S(molecular formula C4 H8 O2).On addition of sodium hydroxide to C it also gives B and water.S on treatment with Sodium Hydroxide solution gives back B and A.
Identify A,B,C and and write chemical equation for all the four reactions involved.

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