Qualitative Analysis of Organic Compounds
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317482 Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with \({\mathrm{\mathrm{FeSO}_{4}}}\) in presence of concentrated \({\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}}\) indicates the presence of element/s

1 N
2 Br
3 S
4 N and S
JEE Main - 2024
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317483 Copper wire test for halogens is known as

1 Beilstein's test
2 Duma's test
3 Liebig's test
4 Lassaigne's test
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317484 Amongst the following compounds the total number of compounds which give Beilstein test.
\({{\rm{I}}.{\rm{Urea}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,{\rm{II}}.{\rm{Thiourea}}}\)
\({{\rm{III}}.{\rm{Pyridine}}\,\,\,\,\,\,\,\,\,\,\,{\rm{IV}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{F}}}\)
\({{\rm{V}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{Cl}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,{\rm{VI}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{Br}}}\)
\({{\rm{VII}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{I}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,{\mkern 1mu} \,\,\,\,\,{\mkern 1mu} {\rm{VIII}}.{\rm{Benzamide}}}\)
\({{\rm{IX}}.{\rm{Benzaldehyde}}\,{\rm{X}}.{\rm{Aniline}}}\)

1 6
2 4
3 5
4 9
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317485 To detect iodine in presence of bromine, the sodium extract is treated with \(\mathrm{NaNO}_{2}+\) glacial acetic acid \(+\mathrm{CCl}_{4}\) Iodine is detected by the appearance of

1 yellow colour of \(\mathrm{CCl}_{4}\) layer
2 purple colour of \(\mathrm{CCl}_{4}\)
3 brown colour in the organic layer of \(\mathrm{CCl}_{4}\)
4 deep blue colour in \(\mathrm{CCl}_{4}\)
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317482 Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with \({\mathrm{\mathrm{FeSO}_{4}}}\) in presence of concentrated \({\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}}\) indicates the presence of element/s

1 N
2 Br
3 S
4 N and S
JEE Main - 2024
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317483 Copper wire test for halogens is known as

1 Beilstein's test
2 Duma's test
3 Liebig's test
4 Lassaigne's test
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317484 Amongst the following compounds the total number of compounds which give Beilstein test.
\({{\rm{I}}.{\rm{Urea}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,{\rm{II}}.{\rm{Thiourea}}}\)
\({{\rm{III}}.{\rm{Pyridine}}\,\,\,\,\,\,\,\,\,\,\,{\rm{IV}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{F}}}\)
\({{\rm{V}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{Cl}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,{\rm{VI}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{Br}}}\)
\({{\rm{VII}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{I}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,{\mkern 1mu} \,\,\,\,\,{\mkern 1mu} {\rm{VIII}}.{\rm{Benzamide}}}\)
\({{\rm{IX}}.{\rm{Benzaldehyde}}\,{\rm{X}}.{\rm{Aniline}}}\)

1 6
2 4
3 5
4 9
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317485 To detect iodine in presence of bromine, the sodium extract is treated with \(\mathrm{NaNO}_{2}+\) glacial acetic acid \(+\mathrm{CCl}_{4}\) Iodine is detected by the appearance of

1 yellow colour of \(\mathrm{CCl}_{4}\) layer
2 purple colour of \(\mathrm{CCl}_{4}\)
3 brown colour in the organic layer of \(\mathrm{CCl}_{4}\)
4 deep blue colour in \(\mathrm{CCl}_{4}\)
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317482 Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with \({\mathrm{\mathrm{FeSO}_{4}}}\) in presence of concentrated \({\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}}\) indicates the presence of element/s

1 N
2 Br
3 S
4 N and S
JEE Main - 2024
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317483 Copper wire test for halogens is known as

1 Beilstein's test
2 Duma's test
3 Liebig's test
4 Lassaigne's test
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317484 Amongst the following compounds the total number of compounds which give Beilstein test.
\({{\rm{I}}.{\rm{Urea}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,{\rm{II}}.{\rm{Thiourea}}}\)
\({{\rm{III}}.{\rm{Pyridine}}\,\,\,\,\,\,\,\,\,\,\,{\rm{IV}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{F}}}\)
\({{\rm{V}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{Cl}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,{\rm{VI}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{Br}}}\)
\({{\rm{VII}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{I}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,{\mkern 1mu} \,\,\,\,\,{\mkern 1mu} {\rm{VIII}}.{\rm{Benzamide}}}\)
\({{\rm{IX}}.{\rm{Benzaldehyde}}\,{\rm{X}}.{\rm{Aniline}}}\)

1 6
2 4
3 5
4 9
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317485 To detect iodine in presence of bromine, the sodium extract is treated with \(\mathrm{NaNO}_{2}+\) glacial acetic acid \(+\mathrm{CCl}_{4}\) Iodine is detected by the appearance of

1 yellow colour of \(\mathrm{CCl}_{4}\) layer
2 purple colour of \(\mathrm{CCl}_{4}\)
3 brown colour in the organic layer of \(\mathrm{CCl}_{4}\)
4 deep blue colour in \(\mathrm{CCl}_{4}\)
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CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317482 Appearance of blood red colour, on treatment of the sodium fusion extract of an organic compound with \({\mathrm{\mathrm{FeSO}_{4}}}\) in presence of concentrated \({\mathrm{\mathrm{H}_{2} \mathrm{SO}_{4}}}\) indicates the presence of element/s

1 N
2 Br
3 S
4 N and S
JEE Main - 2024
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317483 Copper wire test for halogens is known as

1 Beilstein's test
2 Duma's test
3 Liebig's test
4 Lassaigne's test
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317484 Amongst the following compounds the total number of compounds which give Beilstein test.
\({{\rm{I}}.{\rm{Urea}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,\,\,{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,{\rm{II}}.{\rm{Thiourea}}}\)
\({{\rm{III}}.{\rm{Pyridine}}\,\,\,\,\,\,\,\,\,\,\,{\rm{IV}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{F}}}\)
\({{\rm{V}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{Cl}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,\,\,\,\,\,\,\,\,\,{\rm{VI}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{Br}}}\)
\({{\rm{VII}}.{\rm{C}}{{\rm{H}}_{\rm{3}}}{\rm{I}}{\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} {\mkern 1mu} \,\,{\mkern 1mu} \,\,\,\,\,{\mkern 1mu} {\rm{VIII}}.{\rm{Benzamide}}}\)
\({{\rm{IX}}.{\rm{Benzaldehyde}}\,{\rm{X}}.{\rm{Aniline}}}\)

1 6
2 4
3 5
4 9
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES

317485 To detect iodine in presence of bromine, the sodium extract is treated with \(\mathrm{NaNO}_{2}+\) glacial acetic acid \(+\mathrm{CCl}_{4}\) Iodine is detected by the appearance of

1 yellow colour of \(\mathrm{CCl}_{4}\) layer
2 purple colour of \(\mathrm{CCl}_{4}\)
3 brown colour in the organic layer of \(\mathrm{CCl}_{4}\)
4 deep blue colour in \(\mathrm{CCl}_{4}\)
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