Basics of Organic Reaction Mechanism MCQs Question and Answer in Engineering Chemistry

A. 2S, 3R and 2R, 3R

B. 2R, 3R and 2R, 3S

C. 2S, 3S and 2R, 3R

D. 2S, 3R and 2S, 3R

A. 4π-conrotatory opening of X followed by endo Diels-Alder cycloaddition

B. 4π-disrotatory opening of X followed by endo Diels-Alder cycloaddltion

C. 4π-conrotatory opening of X followed by exo Diels-Alder cycloaddition

D. 4π-disrotatory opening of X followed by exo Diels-Alder cycloadditlon

A. \[{\overline {\rm{V}} _{\left( {{\rm{OH}}} \right)}}\] = 3300-3500; \[{\overline {\rm{V}} _{\left( {{\rm{CH}}} \right)}}\] = 3000; \[{\overline {\rm{V}} _{\left( {{\rm{CN}}} \right)}}\] = 2225; \[{\overline {\rm{V}} _{\left( {{\rm{CO}}} \right)}}\] = 1680

B. \[{\overline {\rm{V}} _{\left( {{\rm{OH}}} \right)}}\] = 3000; \[{\overline {\rm{V}} _{\left( {{\rm{CH}}} \right)}}\] = 3300-3500; \[{\overline {\rm{V}} _{\left( {{\rm{CN}}} \right)}}\] = 2225; \[{\overline {\rm{V}} _{\left( {{\rm{CO}}} \right)}}\] = 1680

C. \[{\overline {\rm{V}} _{\left( {{\rm{OH}}} \right)}}\] = 3300-3500; \[{\overline {\rm{V}} _{\left( {{\rm{CH}}} \right)}}\] = 3000; \[{\overline {\rm{V}} _{\left( {{\rm{CN}}} \right)}}\] = 1680; \[{\overline {\rm{V}} _{\left( {{\rm{CO}}} \right)}}\] = 2225

D. \[{\overline {\rm{V}} _{\left( {{\rm{OH}}} \right)}}\] = 3000; \[{\overline {\rm{V}} _{\left( {{\rm{CH}}} \right)}}\] = 3300-3500; \[{\overline {\rm{V}} _{\left( {{\rm{CN}}} \right)}}\] = 1680; \[{\overline {\rm{V}} _{\left( {{\rm{CO}}} \right)}}\] = 2225