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 in presence of concentrated indicates the presence of element/s
1 N
2 Br
3 S
4 N and S
Explanation:
When both ' ' and ' ' are present, they form NaSCN , which further reacts with to form blood red coloured complex ion. So, the correct option is (4).
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
Explanation:
Conceptual Questions
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES
317484
Amongst the following compounds the total number of compounds which give Beilstein test.
1 6
2 4
3 5
4 9
Explanation:
Beilstein test is used for halogens (except F) and this test is also given by urea, thiourea and pyridine. So the answer is: I, II, III, V, VI, and VII
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES
317485
To detect iodine in presence of bromine, the sodium extract is treated with glacial acetic acid Iodine is detected by the appearance of
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 in presence of concentrated indicates the presence of element/s
1 N
2 Br
3 S
4 N and S
Explanation:
When both ' ' and ' ' are present, they form NaSCN , which further reacts with to form blood red coloured complex ion. So, the correct option is (4).
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
Explanation:
Conceptual Questions
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES
317484
Amongst the following compounds the total number of compounds which give Beilstein test.
1 6
2 4
3 5
4 9
Explanation:
Beilstein test is used for halogens (except F) and this test is also given by urea, thiourea and pyridine. So the answer is: I, II, III, V, VI, and VII
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES
317485
To detect iodine in presence of bromine, the sodium extract is treated with glacial acetic acid Iodine is detected by the appearance of
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 in presence of concentrated indicates the presence of element/s
1 N
2 Br
3 S
4 N and S
Explanation:
When both ' ' and ' ' are present, they form NaSCN , which further reacts with to form blood red coloured complex ion. So, the correct option is (4).
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
Explanation:
Conceptual Questions
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES
317484
Amongst the following compounds the total number of compounds which give Beilstein test.
1 6
2 4
3 5
4 9
Explanation:
Beilstein test is used for halogens (except F) and this test is also given by urea, thiourea and pyridine. So the answer is: I, II, III, V, VI, and VII
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES
317485
To detect iodine in presence of bromine, the sodium extract is treated with glacial acetic acid Iodine is detected by the appearance of
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 in presence of concentrated indicates the presence of element/s
1 N
2 Br
3 S
4 N and S
Explanation:
When both ' ' and ' ' are present, they form NaSCN , which further reacts with to form blood red coloured complex ion. So, the correct option is (4).
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
Explanation:
Conceptual Questions
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES
317484
Amongst the following compounds the total number of compounds which give Beilstein test.
1 6
2 4
3 5
4 9
Explanation:
Beilstein test is used for halogens (except F) and this test is also given by urea, thiourea and pyridine. So the answer is: I, II, III, V, VI, and VII
CHXI12:ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES
317485
To detect iodine in presence of bromine, the sodium extract is treated with glacial acetic acid Iodine is detected by the appearance of