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In Liebig's method for the estimation of...

In Liebig's method for the estimation of C and `H`, if the compound also contains N, which of the following is kept near the exist of the combustion tube?

A

silver wire

B

`PbCrO_4`

C

Both (a) and (b)

D

`Cu` gauge

Text Solution

Verified by Experts

The correct Answer is:
D
On heating the compound `N_2` gas is evolved which is absorbed by `Cu` gauge.
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CENGAGE CHEMISTRY-PURIFICATION OF ORGANIC COMPOUNDS AND QUALITATIVE AND QUANTITATIVE ANALYSIS-Single Correct Answer Type
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  2. In Liebig's method for the estimation of C and H, if the compound also...

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  3. In Liebig's method for the estimation of C and H, if the compound also...

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  4. A compound (60 gm) on analysis gave C=24gm H=4gm and O=31gm, its empir...

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  5. A compound contains C=40%,O=53.5%, and H=6.5% the empirical formula fo...

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  6. A compound contains C=90% and H=10% Empirical formula of the compound ...

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  7. The empirical formula of a compound is CH2O and its vapour density is ...

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  8. The molecular mass of a compound having empirical formula C2H5O is 90....

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  9. A compound contains 38.8%C,16%H, and 45.2%N The formula of the compoun...

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  10. A compound containing 80% C and 20% H is likely to be:

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  11. An organic compound on analysis gave C=42.8%, H=720%, andN=50^ volume ...

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  12. 0.14 gm of an acid required 12.5 ml of 0.1 N NaOH for complete neutura...

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  13. The empirical formula of anorganic compound is CH2.The mass of 1 mol o...

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  14. Indulin contains 3.4% suplhur.The minimum molecular mass of insulin is...

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  15. 0.24 gm of a volatile liquid upon vaporisation given 45 ml of vapours ...

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  16. Liquid benzene (C6H6) burns in oxygen according to 2C6H6(1)+15O2(g)rar...

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  17. A compound which does not give a positive test in Lassaigne's test for...

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  18. The catalyst used in Kjeldahl's method for the entimation of nitrogen ...

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  19. The concentration of C=85.45% and H=14.55% is not obeyed by the formul...

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