1
JEE Main 2021 (Online) 24th February Morning Slot
MCQ (Single Correct Answer)
+4
-1
Which of the following compound gives pink colour on reaction with phthalic anhydride in
conc. H2SO4 followed by treatment with NaOH ?
A
B
C
D
2
JEE Main 2021 (Online) 24th February Morning Slot
MCQ (Single Correct Answer)
+4
-1
What is the major product formed by HI on reaction with
A
B
C
D
3
JEE Main 2021 (Online) 24th February Morning Slot
MCQ (Single Correct Answer)
+4
-1
Identify products A and B.
A
B
C
D
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 |
Questions Asked from Hydrocarbons (MCQ (Single Correct Answer))
Number in Brackets after Paper Indicates
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