During the testing for phosphorus in org...

During the testing for phosphorus in organic compounds, a yellow solution or precipitate is formed due to the formation of

`Mg_(3)(PO_(4))_(2)`

Magnesium pyrophosphate

Magnesium hydrogen phosphate

`P_(4)O_(10)`

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The correct Answer is:

Magnesium pyrophosphate is obtained.

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Here paragraphs are given. Based upon the paragraphs some multiple choice questions are given. Each question has 4 choices A, B, C and D. Out of which one is correct. Choose the correct option Paragraph/comprehension In the detection of elements by Lassaigne’s test, the covalent compounds are converted into ionic compounds on fusion with sodium metal. The nitrogen, sulphur and halides present in the organic compounds are test with their usual tests. In this test blue or green colour is obtained when only nitrogen is present whereas red colour is obtained when both nitrogen and sulphur are present. The Lassaigne’s extract is boiled with HNO_(3) so as to decompose Na_(2) and NaCN if present. Phosphorus is detected in the organic compound by fusing it with sodium peroxide. When sodium phosphate formed is detected with cone. HNO_(3) and ammonium molybdate. During detection of phosphours in an organic compound,yellow precipitate are formed due to the formation of

In the Lassaigne's test for nitrogen in an organic compound, he prussian blue colours is obtained due to the formation of:

During Lassaigne's test N and S present in an organic compound changes into

During Lassaigne's test , N and S present in an organic compound change into

NARAYNA-PRACTICAL ORGANIC CHEMISTRY-SCQ_TYPE

To determinent the weight of a halogen in orangic compound, the compou...
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Detection of the chlorine is possible without preparing sodium extract...
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During the testing for phosphorus in organic compounds, a yellow solut...
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In Lassaigne’s test, the organic compound is fused with a piece of sod...
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In Lassaigne's test for nitrogen the blue colour is due to the formati...
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In Kjeldahl's method, nitrogen present is estimated as :
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The percentate of sulphur in the organic, when 0.2595g of a sulphur co...
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If 0.228 g of silver salt of dibasic acid gabe a residue of 0.162 g of...
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In Carius tube the compound ClCH(2)-COOH was heated with fuming HNO...
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The compound that does not give a blue colour in Lassaigne's test is
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The Lassaigne's extract is boiled with dil. HNO(3) before testing for ...
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In Carius tube the compound ClCH(2)-COOH was heated with fuming HNO...
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If 0.24 g of a volatile liquid upon vaporization gives 45 ml of vapour...
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In sodium fusion test of roganilc compound, the nitrogen of a organic ...
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Which of the following will give blood red colour with FeCl(5) in sodi...
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Sulphide ions react with Na(2) [Fe(NO)(CN)(5)] to form a purple colour...
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Which of the following will not give test for N in sodium extract?
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