Elimination reaction is highly favoured if (1) Bulkier base is used (2) Higher temperature is used Hence in given reaction biomolecular elimination provides major products.
CHXII10:HALOALKANES AND HALOARENES
322443
Which of the following order is not correct?
The more is the stability of intermediate carbonium ion, the more is the chance of \({{\rm{S}}_{\rm{N}}}{\rm{1}}\) mechanism. The intermediates obtained will be \({\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {{\rm{H}}_{\rm{2}}}{\rm{(1),}}\,{\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{H - Me}}\,\,{\rm{(2)}}\) \({\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{ - M}}{{\rm{e}}_{\rm{2}}}\,\,{\rm{(3),Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{MePh(4)}}\) The stability is of the order 4 > 3 > 2 > 1.
CHXII10:HALOALKANES AND HALOARENES
322444
Which one of the following reagents is not suitable for the elimination reaction?
Alkyl chloride or bromide undergo substitution and get converted to any alkyl iodide on treatment with a solution of sodium iodide in acetone. e.g. \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{Br + NaI}}\xrightarrow{{{\text{acetone}}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{I + NaBr}}\)
JEE - 2016
CHXII10:HALOALKANES AND HALOARENES
322445
The total number of \({{\rm{S}}_{\rm{N}}}{\rm{1}}\) and \({{\rm{E}}_{\rm{1}}}\) products are
Elimination reaction is highly favoured if (1) Bulkier base is used (2) Higher temperature is used Hence in given reaction biomolecular elimination provides major products.
CHXII10:HALOALKANES AND HALOARENES
322443
Which of the following order is not correct?
The more is the stability of intermediate carbonium ion, the more is the chance of \({{\rm{S}}_{\rm{N}}}{\rm{1}}\) mechanism. The intermediates obtained will be \({\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {{\rm{H}}_{\rm{2}}}{\rm{(1),}}\,{\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{H - Me}}\,\,{\rm{(2)}}\) \({\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{ - M}}{{\rm{e}}_{\rm{2}}}\,\,{\rm{(3),Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{MePh(4)}}\) The stability is of the order 4 > 3 > 2 > 1.
CHXII10:HALOALKANES AND HALOARENES
322444
Which one of the following reagents is not suitable for the elimination reaction?
Alkyl chloride or bromide undergo substitution and get converted to any alkyl iodide on treatment with a solution of sodium iodide in acetone. e.g. \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{Br + NaI}}\xrightarrow{{{\text{acetone}}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{I + NaBr}}\)
JEE - 2016
CHXII10:HALOALKANES AND HALOARENES
322445
The total number of \({{\rm{S}}_{\rm{N}}}{\rm{1}}\) and \({{\rm{E}}_{\rm{1}}}\) products are
Elimination reaction is highly favoured if (1) Bulkier base is used (2) Higher temperature is used Hence in given reaction biomolecular elimination provides major products.
CHXII10:HALOALKANES AND HALOARENES
322443
Which of the following order is not correct?
The more is the stability of intermediate carbonium ion, the more is the chance of \({{\rm{S}}_{\rm{N}}}{\rm{1}}\) mechanism. The intermediates obtained will be \({\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {{\rm{H}}_{\rm{2}}}{\rm{(1),}}\,{\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{H - Me}}\,\,{\rm{(2)}}\) \({\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{ - M}}{{\rm{e}}_{\rm{2}}}\,\,{\rm{(3),Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{MePh(4)}}\) The stability is of the order 4 > 3 > 2 > 1.
CHXII10:HALOALKANES AND HALOARENES
322444
Which one of the following reagents is not suitable for the elimination reaction?
Alkyl chloride or bromide undergo substitution and get converted to any alkyl iodide on treatment with a solution of sodium iodide in acetone. e.g. \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{Br + NaI}}\xrightarrow{{{\text{acetone}}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{I + NaBr}}\)
JEE - 2016
CHXII10:HALOALKANES AND HALOARENES
322445
The total number of \({{\rm{S}}_{\rm{N}}}{\rm{1}}\) and \({{\rm{E}}_{\rm{1}}}\) products are
Elimination reaction is highly favoured if (1) Bulkier base is used (2) Higher temperature is used Hence in given reaction biomolecular elimination provides major products.
CHXII10:HALOALKANES AND HALOARENES
322443
Which of the following order is not correct?
The more is the stability of intermediate carbonium ion, the more is the chance of \({{\rm{S}}_{\rm{N}}}{\rm{1}}\) mechanism. The intermediates obtained will be \({\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {{\rm{H}}_{\rm{2}}}{\rm{(1),}}\,{\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{H - Me}}\,\,{\rm{(2)}}\) \({\rm{Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{ - M}}{{\rm{e}}_{\rm{2}}}\,\,{\rm{(3),Ph}}\mathop {\rm{C}}\limits^{\rm{ + }} {\rm{MePh(4)}}\) The stability is of the order 4 > 3 > 2 > 1.
CHXII10:HALOALKANES AND HALOARENES
322444
Which one of the following reagents is not suitable for the elimination reaction?
Alkyl chloride or bromide undergo substitution and get converted to any alkyl iodide on treatment with a solution of sodium iodide in acetone. e.g. \({\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{Br + NaI}}\xrightarrow{{{\text{acetone}}}}{\text{C}}{{\text{H}}_{\text{3}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{C}}{{\text{H}}_{\text{2}}}{\text{I + NaBr}}\)
JEE - 2016
CHXII10:HALOALKANES AND HALOARENES
322445
The total number of \({{\rm{S}}_{\rm{N}}}{\rm{1}}\) and \({{\rm{E}}_{\rm{1}}}\) products are