Qualitative Analysis of Organic Compounds
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.
I.UreaII.Thiourea
III.PyridineIV.CH3F
V.CH3ClVI.CH3Br
VII.CH3IVIII.Benzamide
IX.BenzaldehydeX.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 NaNO2+ glacial acetic acid +CCl4 Iodine is detected by the appearance of

1 yellow colour of CCl4 layer
2 purple colour of CCl4
3 brown colour in the organic layer of CCl4
4 deep blue colour in CCl4
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 FeSO4 in presence of concentrated H2SO4 indicates the presence of element/s

1 N
2 Br
3 S
4 N and S
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.
I.UreaII.Thiourea
III.PyridineIV.CH3F
V.CH3ClVI.CH3Br
VII.CH3IVIII.Benzamide
IX.BenzaldehydeX.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 NaNO2+ glacial acetic acid +CCl4 Iodine is detected by the appearance of

1 yellow colour of CCl4 layer
2 purple colour of CCl4
3 brown colour in the organic layer of CCl4
4 deep blue colour in CCl4
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 FeSO4 in presence of concentrated H2SO4 indicates the presence of element/s

1 N
2 Br
3 S
4 N and S
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.
I.UreaII.Thiourea
III.PyridineIV.CH3F
V.CH3ClVI.CH3Br
VII.CH3IVIII.Benzamide
IX.BenzaldehydeX.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 NaNO2+ glacial acetic acid +CCl4 Iodine is detected by the appearance of

1 yellow colour of CCl4 layer
2 purple colour of CCl4
3 brown colour in the organic layer of CCl4
4 deep blue colour in CCl4
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 FeSO4 in presence of concentrated H2SO4 indicates the presence of element/s

1 N
2 Br
3 S
4 N and S
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.
I.UreaII.Thiourea
III.PyridineIV.CH3F
V.CH3ClVI.CH3Br
VII.CH3IVIII.Benzamide
IX.BenzaldehydeX.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 NaNO2+ glacial acetic acid +CCl4 Iodine is detected by the appearance of

1 yellow colour of CCl4 layer
2 purple colour of CCl4
3 brown colour in the organic layer of CCl4
4 deep blue colour in CCl4