1
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The tests performed on compound X and their inferences are :

Test Inference
(a) 2, 4 - DNP test Coloured precipitate
(b) Idoform test Yellow precipitate
(c) Azo-dye test No dye formation

Compound 'X' is :
A
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 85 English Option 1
B
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 85 English Option 2
C
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 85 English Option 3
D
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Practical Organic Chemistry Question 85 English Option 4
2
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following compounds is not aromatic ?
A
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 172 English Option 1
B
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 172 English Option 2
C
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 172 English Option 3
D
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 172 English Option 4
3
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
The correct statement regarding the given Ellingham diagram is :

JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Isolation of Elements Question 99 English
A
At 1400oC, Al can be used for the extraction of Zn from ZnO
B
At 500oC, coke can be used for the extraction of Zn from ZnO
C
Coke cannot be used for the extraction of Cu from Cu2O.
D
At 800oC, Cu can be used for the extraction of Zn from ZnO.
4
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing basicity order of the following compounds is :
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 171 English
A
A < B < D < C
B
D < C < A < B
C
D < C < B < A
D
A < B < C < D
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