1
JEE Main 2021 (Online) 24th February Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compound gives pink colour on reaction with phthalic anhydride in conc. H2SO4 followed by treatment with NaOH ?
A
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 72 English Option 1
B
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 72 English Option 2
C
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 72 English Option 3
D
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 72 English Option 4
2
JEE Main 2021 (Online) 24th February Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
What is the major product formed by HI on reaction with

JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 71 English
A
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 71 English Option 1
B
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 71 English Option 2
C
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 71 English Option 3
D
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 71 English Option 4
3
JEE Main 2021 (Online) 24th February Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify products A and B.

JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 70 English
A
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 70 English Option 1
B
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 70 English Option 2
C
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 70 English Option 3
D
JEE Main 2021 (Online) 24th February Morning Slot Chemistry - Hydrocarbons Question 70 English Option 4
4
JEE Main 2020 (Online) 6th September Evening Slot
MCQ (Single Correct Answer)
+4
-1
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. HCl and ZnCl2
(e) H2SO4
A
(i)-(b), (ii)-(d), (iii)-(e), (iv)-(a)
B
(i)-(d), (ii)-(c), (iii)-(e), (iv)-(a)
C
(i)-(b), (ii)-(a), (iii)-(c), (iv)-(d)
D
(i)-(d), (ii)-(c), (iii)-(b), (iv)-(e)
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