0.64 g of organic compound give 1.2535 g...

0.64 g of organic compound give 1.2535 g of `Mg_(2)P_(2)O_(7)` . percentage of P is

0.5386

0.3586

0.5

0.6

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(i) In sulphur estimation , 0.157 g of organic compound gave 0.4813 g of BaSO_(4) . What is the percentage of sulphur in organic compound ? (ii) 0.092 g of organic compound heating is carius tube and susequent ignition gave 0.111 g of Mg_(2)P_(2)O_(7) . calculate the percentage of phosphorus in organic compound.

(d) Estimation of phosphorous: A known mass of compound is heated with fuming HNO_(3) or sodium peroxide (Na_(2)O_(2)) in Carius tube which converts phosphorrous to H_(3)PO_(4) . Magnesia mixture (MgCL_(2) + NH_(4)Cl) is then added, which gives the precipitate of magnesium ammonium phosphate (MgNH_(4).PO_(4)) which on heating gives magnesium pyrophosphate (Mg_(2)P_(2)O_(7)) , which is weighed. An organic compound has 6.2 % of phosphorus. On sequence of reaction, the phosphorous present in 10 gm of organic compound is converted of Mg_(2)P_(2)O_(7) . Find the weight of Mg_(2)P_(2)O_(7) formed.

In the estimation of Duma's method 1.18 of an organic compound gave 224 ml of N_(2) (g) at NTP. Then percentage of N in the compound is about

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AAKASH INSTITUTE ENGLISH-ORGANIC CHEMISTRY : SOME BASIC PRINCIPLES AND TECHNIQUES -Assignment(SECTION-A)

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In dumas method for the estimation of nitrogen in an organic compound,...
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0.2g of an organic compound on complete combustion produces 0.18g of w...
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The substance which can be used as adsorbent in column chromatography ...
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In the estimation of Duma's method 1.18 of an organic compound gave 22...
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0.5 g of an organic compound cantaining N on Kjeldahl analysis require...
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0.4 g of Organic Compound gave 0.188g of AgBr. The percentage of Br in...
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F cannot be tested by "Lassaigne’s test" because
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0.64 g of organic compound give 1.2535 g of Mg(2)P(2)O(7) . percentage...
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Which of the following will not give the Lassaigne test for nitrogen?
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Which of the following will not give the Lassaigne test for nitrogen?
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An organic compound ‘A’ is oxidized with followed by boiling with ...
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Which is not correct match?
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