Read the given passage and answer the questions that follow: Haloalkanes are colourless (when pure), sweet smelling liquids. CHCI, CH.Br and CH-Cl andfreons are gases. Boiling point increases with increase in molecular weight and increase incarbon chain and decreases with branching. They are insoluble in water due to inability toform H-bonds with water. Dipole moment increases with polarity, density increases withincrease in molar mass. They are non-inflammable; therefore, CCl. is used as fire extinguisherunder the name pyrene. P-dichloro benzene has zero dipole moment, higher melting pointthan o-dichloro benzene due to symmetry, fits into crystal lattice readily. Haloalkanes undergonucleophilic substitution reaction by Sx2 mechanism, 1°> 2> 3, Sx1 if carbocation formed isstable. They also undergo nucleophilic elimination reactions with alcoholic KOH. Haloarenesare less reactive than Haloalkanes towards nucleophilic substitution due to resonance.Haloarenes undergo electrophilic substitution reaction like nitration, sulphonation, FriedelCrafts alkylation, acylation. Chloroform is used as solvent, Freon is used as refrigerant, anddichloromethane is used as paint remover. Iodoform is used as antiseptic. DDT is insecticidebut non-biodegradable.(a) Arrange R-F, R-Br, R-I, R-Cl in increasing order of boiling point.(b) Out of CH2=CH-CH:Cl and CH CH.CH.Cl which one undergoes Svi mechanism faster?(c) Complete the followingСІConc.+ H,SO(d) What is use of fully fluorinated organic compounds?ORName the chlorine containing drug used in treatment of coronavirus and malaria.(1x4=]

Read the given passage and answer the questions that follow: Haloalk

1.	Read the given passage and answer the questions that follow: Haloalkanes are colourless (when pure), sweet smelling liquids. CHCI, CH.Br and CH-Cl andfreons are gases. Boiling point increases with increase in molecular weight and increase incarbon chain and decreases with branching. They are insoluble in water due to inability toform H-bonds with water. Dipole moment increases with polarity, density increases withincrease in molar mass. They are non-inflammable; therefore, CCl. is used as fire extinguisherunder the name pyrene. P-dichloro benzene has zero dipole moment, higher melting pointthan o-dichloro benzene due to symmetry, fits into crystal lattice readily. Haloalkanes undergonucleophilic substitution reaction by Sx2 mechanism, 1°> 2> 3, Sx1 if carbocation formed isstable. They also undergo nucleophilic elimination reactions with alcoholic KOH. Haloarenesare less reactive than Haloalkanes towards nucleophilic substitution due to resonance.Haloarenes undergo electrophilic substitution reaction like nitration, sulphonation, FriedelCrafts alkylation, acylation. Chloroform is used as solvent, Freon is used as refrigerant, anddichloromethane is used as paint remover. Iodoform is used as antiseptic. DDT is insecticidebut non-biodegradable.(a) Arrange R-F, R-Br, R-I, R-Cl in increasing order of boiling point.(b) Out of CH2=CH-CH:Cl and CH CH.CH.Cl which one undergoes Svi mechanism faster?(c) Complete the followingСІConc.+ H,SO(d) What is use of fully fluorinated organic compounds?ORName the chlorine containing drug used in treatment of coronavirus and malaria.(1x4=]
Answer» Read the GIVEN passage and answer the questions that follow:HALOALKANES are colourless (when pure), sweet smelling liquids. CHCI, CH.Br and CH-Cl andfreons are gases. Boiling point increases with increase in molecular weight and increase incarbon chain and decreases with branching. They are INSOLUBLE in water due to inability toform H-bonds with water. Dipole moment increases with polarity, density increases withincrease in molar mass. They are non-inflammable; therefore, CCl. is used as fire extinguisherunder the name pyrene. P-dichloro benzene has zero dipole moment, higher melting pointthan o-dichloro benzene due to symmetry, fits into crystal lattice readily. Haloalkanes undergonucleophilic substitution REACTION by Sx2 mechanism, 1°> 2> 3, Sx1 if carbocation formed isstable. They also undergo nucleophilic elimination reactions with ALCOHOLIC KOH. Haloarenesare less reactive than Haloalkanes towards nucleophilic substitution due to

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