In Lassaigne's extract of an organic compound, both nitrogen and sulphur are present, which gives blood red colour with Fe3+ due to the formation of
In Lassaigne's extract of an organic compound, both nitrogen and sulphur are present, which gives blood red colour with Fe3+ due to the formation of
Option 1 - <p>[Fe(SCN)]²⁺<br><!-- [if !supportLineBreakNewLine]--><br><!--[endif]--></p>
Option 2 - <p>Fe₄[Fe(CN)₆]₃·xH₂O</p>
Option 3 - <p>NaSCN<br><!-- [if !supportLineBreakNewLine]--><br><!--[endif]--></p>
Option 4 - <p>[Fe(CN)₅NOS]⁴⁻</p>
4 Views|Posted 5 months ago
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5 months ago
Correct Option - 1
Detailed Solution:
In case, nitrogen and sulphur both are present in an organic compound, sodium thiocyanate is formed.
Na + C + N + S → NaSCN
Which further reacts as:
Fe³? + SCN? → [Fe (SCN)]²?
(Blood red color)
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Chemistry Ncert Solutions Class 11th 2023
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