Amongst the following, the total number of compound which does not give Lassaigne's test for nit....

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Amongst the following, the total number of compound which does not give Lassaigne's test for
\( \mathrm{P} \)
nitrogen.
I.
II. \( \mathrm{H}_{2} \mathrm{~N}-\mathrm{CH}_{2}-\mathrm{COOH} \)
III. \( \mathrm{NH}_{2}-\mathrm{NH}_{2} \)
IV. \( \mathrm{PH}-\mathrm{N}=\mathrm{N}-\mathrm{Ph} \)
V. \( \mathrm{NH}_{2} \mathrm{OH} \)
VI.
VII.
VIII. \( \mathrm{PhNO}_{2} \)
IX. \( \mathrm{CH}_{3} \mathrm{CHO} \)


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