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ALDEHYDES, KETONES AND CARBOXYLIC ACID

28482 In Carius method of estimation of halogen, \(0.172\, g\) of an organic compound showed presence of \(0.08\, g\) of bromine. Which of these is the correct structure of the compound:

1 983-a36
2 \(H _{3} C - CH _{2}- Br\)
3 983-c36
4 \(H _{3} C - Br\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28483 Which of the following compounds will show retention in configuration on nucleophic substitution by \(OH ^{-}\) ion $?$

1 \(\begin{array}{*{20}{c}} {C{H_3} - CH - C{H_2}Br} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ {{C_2}{H_5}\,\,\,\,} \end{array}\)
2 \(\begin{array}{*{20}{c}} {C{H_3} - CH - Br} \\ {|\,\,\,} \\ {\,\,\,\,\,\,\,{C_6}{H_5}} \end{array}\)
3 \(\begin{array}{*{20}{c}} {C{H_3} - CH - Br} \\ {|\,\,\,} \\ {\,\,\,\,C{H_3}} \end{array}\)
4 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,Br} \\ {\,\,\,|\,} \\ {C{H_3} - C - H} \\ {\,\,\,|} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{C_6}{H_{13}}} \end{array}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28484 The major product in the following reaction is

1 983-a62
2 983-b62
3 983-c62
4 983-d62
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28485 An organic compound \([A],\) molecular formula \(C _{10} H _{20} O _{2}\) was hydrolyzed with dilute sulphuric acid to give a carboxylic acid \([ B ]\) and alcohol \([C].\) Oxidation of \([C]\) with CrO \(_{3}- H _{2} SO _{4}\) produced \([B].\) Which of the following structures are not possible for \([ A ] ?\)

1 \(\left( CH _{3}\right)_{3}- C - COOCH _{2} C \left( CH _{3}\right)_{3}\)
2 \(CH _{3} CH _{2} CH _{2} COOCH _{2} CH _{2} CH _{2} CH _{3}\)
3 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {C{H_3} - C{H_2} - CH - OCOC{H_2}CH - C{H_2}C{H_3}} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \end{array}\)
4 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {C{H_3} - C{H_2} - CH - COOC{H_2} - CH - C{H_2}C{H_3}} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \end{array}\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

28482 In Carius method of estimation of halogen, \(0.172\, g\) of an organic compound showed presence of \(0.08\, g\) of bromine. Which of these is the correct structure of the compound:

1 983-a36
2 \(H _{3} C - CH _{2}- Br\)
3 983-c36
4 \(H _{3} C - Br\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28483 Which of the following compounds will show retention in configuration on nucleophic substitution by \(OH ^{-}\) ion $?$

1 \(\begin{array}{*{20}{c}} {C{H_3} - CH - C{H_2}Br} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ {{C_2}{H_5}\,\,\,\,} \end{array}\)
2 \(\begin{array}{*{20}{c}} {C{H_3} - CH - Br} \\ {|\,\,\,} \\ {\,\,\,\,\,\,\,{C_6}{H_5}} \end{array}\)
3 \(\begin{array}{*{20}{c}} {C{H_3} - CH - Br} \\ {|\,\,\,} \\ {\,\,\,\,C{H_3}} \end{array}\)
4 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,Br} \\ {\,\,\,|\,} \\ {C{H_3} - C - H} \\ {\,\,\,|} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{C_6}{H_{13}}} \end{array}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28484 The major product in the following reaction is

1 983-a62
2 983-b62
3 983-c62
4 983-d62
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28485 An organic compound \([A],\) molecular formula \(C _{10} H _{20} O _{2}\) was hydrolyzed with dilute sulphuric acid to give a carboxylic acid \([ B ]\) and alcohol \([C].\) Oxidation of \([C]\) with CrO \(_{3}- H _{2} SO _{4}\) produced \([B].\) Which of the following structures are not possible for \([ A ] ?\)

1 \(\left( CH _{3}\right)_{3}- C - COOCH _{2} C \left( CH _{3}\right)_{3}\)
2 \(CH _{3} CH _{2} CH _{2} COOCH _{2} CH _{2} CH _{2} CH _{3}\)
3 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {C{H_3} - C{H_2} - CH - OCOC{H_2}CH - C{H_2}C{H_3}} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \end{array}\)
4 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {C{H_3} - C{H_2} - CH - COOC{H_2} - CH - C{H_2}C{H_3}} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \end{array}\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

28482 In Carius method of estimation of halogen, \(0.172\, g\) of an organic compound showed presence of \(0.08\, g\) of bromine. Which of these is the correct structure of the compound:

1 983-a36
2 \(H _{3} C - CH _{2}- Br\)
3 983-c36
4 \(H _{3} C - Br\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28483 Which of the following compounds will show retention in configuration on nucleophic substitution by \(OH ^{-}\) ion $?$

1 \(\begin{array}{*{20}{c}} {C{H_3} - CH - C{H_2}Br} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ {{C_2}{H_5}\,\,\,\,} \end{array}\)
2 \(\begin{array}{*{20}{c}} {C{H_3} - CH - Br} \\ {|\,\,\,} \\ {\,\,\,\,\,\,\,{C_6}{H_5}} \end{array}\)
3 \(\begin{array}{*{20}{c}} {C{H_3} - CH - Br} \\ {|\,\,\,} \\ {\,\,\,\,C{H_3}} \end{array}\)
4 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,Br} \\ {\,\,\,|\,} \\ {C{H_3} - C - H} \\ {\,\,\,|} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{C_6}{H_{13}}} \end{array}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28484 The major product in the following reaction is

1 983-a62
2 983-b62
3 983-c62
4 983-d62
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28485 An organic compound \([A],\) molecular formula \(C _{10} H _{20} O _{2}\) was hydrolyzed with dilute sulphuric acid to give a carboxylic acid \([ B ]\) and alcohol \([C].\) Oxidation of \([C]\) with CrO \(_{3}- H _{2} SO _{4}\) produced \([B].\) Which of the following structures are not possible for \([ A ] ?\)

1 \(\left( CH _{3}\right)_{3}- C - COOCH _{2} C \left( CH _{3}\right)_{3}\)
2 \(CH _{3} CH _{2} CH _{2} COOCH _{2} CH _{2} CH _{2} CH _{3}\)
3 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {C{H_3} - C{H_2} - CH - OCOC{H_2}CH - C{H_2}C{H_3}} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \end{array}\)
4 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {C{H_3} - C{H_2} - CH - COOC{H_2} - CH - C{H_2}C{H_3}} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \end{array}\)
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ALDEHYDES, KETONES AND CARBOXYLIC ACID

28482 In Carius method of estimation of halogen, \(0.172\, g\) of an organic compound showed presence of \(0.08\, g\) of bromine. Which of these is the correct structure of the compound:

1 983-a36
2 \(H _{3} C - CH _{2}- Br\)
3 983-c36
4 \(H _{3} C - Br\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28483 Which of the following compounds will show retention in configuration on nucleophic substitution by \(OH ^{-}\) ion $?$

1 \(\begin{array}{*{20}{c}} {C{H_3} - CH - C{H_2}Br} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,} \\ {{C_2}{H_5}\,\,\,\,} \end{array}\)
2 \(\begin{array}{*{20}{c}} {C{H_3} - CH - Br} \\ {|\,\,\,} \\ {\,\,\,\,\,\,\,{C_6}{H_5}} \end{array}\)
3 \(\begin{array}{*{20}{c}} {C{H_3} - CH - Br} \\ {|\,\,\,} \\ {\,\,\,\,C{H_3}} \end{array}\)
4 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,Br} \\ {\,\,\,|\,} \\ {C{H_3} - C - H} \\ {\,\,\,|} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,{C_6}{H_{13}}} \end{array}\)
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28484 The major product in the following reaction is

1 983-a62
2 983-b62
3 983-c62
4 983-d62
ALDEHYDES, KETONES AND CARBOXYLIC ACID

28485 An organic compound \([A],\) molecular formula \(C _{10} H _{20} O _{2}\) was hydrolyzed with dilute sulphuric acid to give a carboxylic acid \([ B ]\) and alcohol \([C].\) Oxidation of \([C]\) with CrO \(_{3}- H _{2} SO _{4}\) produced \([B].\) Which of the following structures are not possible for \([ A ] ?\)

1 \(\left( CH _{3}\right)_{3}- C - COOCH _{2} C \left( CH _{3}\right)_{3}\)
2 \(CH _{3} CH _{2} CH _{2} COOCH _{2} CH _{2} CH _{2} CH _{3}\)
3 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {C{H_3} - C{H_2} - CH - OCOC{H_2}CH - C{H_2}C{H_3}} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \end{array}\)
4 \(\begin{array}{*{20}{c}} {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,C{H_3}} \\ {\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,|} \\ {C{H_3} - C{H_2} - CH - COOC{H_2} - CH - C{H_2}C{H_3}} \\ {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ {C{H_3}\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \end{array}\)