Given below are two statements: 
Assertion (A): Sulphur present in an organic compound can be estimated quantitatively by the Carius method.
Reason (R): Sulphur is separated easily from other atoms in the molecule and gets precipitated as a light yellow solid.
 
1. Both (A) and (R) are True and (R) is the correct explanation of (A).
2. Both (A) and (R) are True but (R) is not the correct explanation of (A).
3. (A) is True but (R) is False.
4. (A) is False but (R) is True.

Subtopic:  Quantitative Analysis of Organic Compounds |
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Match the following:

Test/Method Reagent
(i) Lucas Test (a) C6H5SO2Cl/aq.KOH
(ii) Dumas method (b) HNO3/AgNO3
(iii) Kjeldahl's method (c) CuO/CO2
(iv) Hinsberg Test (d) Conc.HClandZnCl2
(e) H2SO4

1. (i)-(d). (ii)-(c), (iii)-(e), (iv)-(a)

2. (i)-(b), (ii)-(d), (iii)-(e), (iv)-(a)

3. (i)-(d), (ii)-(c), (iii)-(b), (iv)-(e)

4. (i)-(b), (ii)-(a), (iii)-(c), (iv)-(d)

Subtopic:  Quantitative Analysis of Organic Compounds |
 83%
From NCERT
JEE
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NEET 2026 - Target Batch - Vital
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