10. HALOALKANES AND HALOARENES[KARNATAKA CET EXCLUSIVE]
CHEMISTRY(KCET)

285514 A haloalkane undergoesSN2 or SN1 reaction depending on :

1 Solvent used in the reaction
2 Low temperature
3 The type of halogen atom
4 Stability of the haloalkane
CHEMISTRY(KCET)

285516 In the given sequence of reactions, identify ' P ', ' Q ', 'R ' and ' S ' respectively.

RCHCH SC6H6

1 Br2, Alc. KOH,NaOH,Al2O3
2 HBr,Alc,KOH,CaC2,KMnO4
3 HBr , Alc.KOH,NaNH2, Red hot iron tube
4 Br2, Alc. KOH,NaNH2, Red hot iron tube
CHEMISTRY(KCET)

285517 The first chlorinated organic insecticide prepared is:

1 Gammexane
2 Chloroform
3 COCl2
4 DDT
CHEMISTRY(KCET)

285518 A pair of compounds having the same boiling points are

1 cis but-2-ene and trans but-2-ene
2 n-hexane and-neo-hexane
3 benzene and naphthalene
4 (+) butan2 ol and ( - ) butan -2 -ol
CHEMISTRY(KCET)

285514 A haloalkane undergoesSN2 or SN1 reaction depending on :

1 Solvent used in the reaction
2 Low temperature
3 The type of halogen atom
4 Stability of the haloalkane
CHEMISTRY(KCET)

285515 2-Methyl propane can be prepared by Wurtz reaction. The haloalkanes taken along with metallic sodium and dry ether are :

1 chloromethane and 2-chloropropane
2 chloroethane and chloromethane
3 chloroethane and 1-chloropropane
4 chloromethane and 1-chloropropane
CHEMISTRY(KCET)

285516 In the given sequence of reactions, identify ' P ', ' Q ', 'R ' and ' S ' respectively.

RCHCH SC6H6

1 Br2, Alc. KOH,NaOH,Al2O3
2 HBr,Alc,KOH,CaC2,KMnO4
3 HBr , Alc.KOH,NaNH2, Red hot iron tube
4 Br2, Alc. KOH,NaNH2, Red hot iron tube
CHEMISTRY(KCET)

285517 The first chlorinated organic insecticide prepared is:

1 Gammexane
2 Chloroform
3 COCl2
4 DDT
CHEMISTRY(KCET)

285518 A pair of compounds having the same boiling points are

1 cis but-2-ene and trans but-2-ene
2 n-hexane and-neo-hexane
3 benzene and naphthalene
4 (+) butan2 ol and ( - ) butan -2 -ol
CHEMISTRY(KCET)

285514 A haloalkane undergoesSN2 or SN1 reaction depending on :

1 Solvent used in the reaction
2 Low temperature
3 The type of halogen atom
4 Stability of the haloalkane
CHEMISTRY(KCET)

285515 2-Methyl propane can be prepared by Wurtz reaction. The haloalkanes taken along with metallic sodium and dry ether are :

1 chloromethane and 2-chloropropane
2 chloroethane and chloromethane
3 chloroethane and 1-chloropropane
4 chloromethane and 1-chloropropane
CHEMISTRY(KCET)

285516 In the given sequence of reactions, identify ' P ', ' Q ', 'R ' and ' S ' respectively.

RCHCH SC6H6

1 Br2, Alc. KOH,NaOH,Al2O3
2 HBr,Alc,KOH,CaC2,KMnO4
3 HBr , Alc.KOH,NaNH2, Red hot iron tube
4 Br2, Alc. KOH,NaNH2, Red hot iron tube
CHEMISTRY(KCET)

285517 The first chlorinated organic insecticide prepared is:

1 Gammexane
2 Chloroform
3 COCl2
4 DDT
CHEMISTRY(KCET)

285518 A pair of compounds having the same boiling points are

1 cis but-2-ene and trans but-2-ene
2 n-hexane and-neo-hexane
3 benzene and naphthalene
4 (+) butan2 ol and ( - ) butan -2 -ol
CHEMISTRY(KCET)

285514 A haloalkane undergoesSN2 or SN1 reaction depending on :

1 Solvent used in the reaction
2 Low temperature
3 The type of halogen atom
4 Stability of the haloalkane
CHEMISTRY(KCET)

285515 2-Methyl propane can be prepared by Wurtz reaction. The haloalkanes taken along with metallic sodium and dry ether are :

1 chloromethane and 2-chloropropane
2 chloroethane and chloromethane
3 chloroethane and 1-chloropropane
4 chloromethane and 1-chloropropane
CHEMISTRY(KCET)

285516 In the given sequence of reactions, identify ' P ', ' Q ', 'R ' and ' S ' respectively.

RCHCH SC6H6

1 Br2, Alc. KOH,NaOH,Al2O3
2 HBr,Alc,KOH,CaC2,KMnO4
3 HBr , Alc.KOH,NaNH2, Red hot iron tube
4 Br2, Alc. KOH,NaNH2, Red hot iron tube
CHEMISTRY(KCET)

285517 The first chlorinated organic insecticide prepared is:

1 Gammexane
2 Chloroform
3 COCl2
4 DDT
CHEMISTRY(KCET)

285518 A pair of compounds having the same boiling points are

1 cis but-2-ene and trans but-2-ene
2 n-hexane and-neo-hexane
3 benzene and naphthalene
4 (+) butan2 ol and ( - ) butan -2 -ol
CHEMISTRY(KCET)

285514 A haloalkane undergoesSN2 or SN1 reaction depending on :

1 Solvent used in the reaction
2 Low temperature
3 The type of halogen atom
4 Stability of the haloalkane
CHEMISTRY(KCET)

285515 2-Methyl propane can be prepared by Wurtz reaction. The haloalkanes taken along with metallic sodium and dry ether are :

1 chloromethane and 2-chloropropane
2 chloroethane and chloromethane
3 chloroethane and 1-chloropropane
4 chloromethane and 1-chloropropane
CHEMISTRY(KCET)

285516 In the given sequence of reactions, identify ' P ', ' Q ', 'R ' and ' S ' respectively.

RCHCH SC6H6

1 Br2, Alc. KOH,NaOH,Al2O3
2 HBr,Alc,KOH,CaC2,KMnO4
3 HBr , Alc.KOH,NaNH2, Red hot iron tube
4 Br2, Alc. KOH,NaNH2, Red hot iron tube
CHEMISTRY(KCET)

285517 The first chlorinated organic insecticide prepared is:

1 Gammexane
2 Chloroform
3 COCl2
4 DDT
CHEMISTRY(KCET)

285518 A pair of compounds having the same boiling points are

1 cis but-2-ene and trans but-2-ene
2 n-hexane and-neo-hexane
3 benzene and naphthalene
4 (+) butan2 ol and ( - ) butan -2 -ol