JEE Main 2021 (Online) 25th February Evening Shift | Practical Organic Chemistry Question 72 | Chemistry

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. HCl and ZnCl₂
	(e) H₂SO₄

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

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

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

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

JEE Main 2020 (Online) 2nd September Evening Slot

MCQ (Single Correct Answer)

-1

If you spill a chemical toilet cleaning liquid on your hand, your first aid would be

aqueous NaOH

aqueous NaHCO₃

aqueous NH₃

vinegar

JEE Main 2020 (Online) 2nd September Morning Slot

MCQ (Single Correct Answer)

-1

In Carius method of estimation of halogen, 0.172 g of an organic compound showed presence of 0.08 g of bromine. Which of these is the correct structure of the compound?

H₃C – CH₂ – Br

H₃C – Br