1
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
An organic compound 'A' is oxidizod with Na2O2 followed by boiling with HNO3. The resultant solution is then treated with ammonium molybdate to yield a yellow precipitate.
Based on above observation, the element present in the given compound is:
A
Fluorine
B
Phosphorus
C
Nitrogen
D
Sulphur
2
JEE Main 2019 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
The organic compound that gives following qualitative analysis is :

Test Inference
(a) Dil. HCl Insoluble
(b) NaOH solution soluble
(c) Br2/water Decolourization
A
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Practical Organic Chemistry Question 74 English Option 1
B
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Practical Organic Chemistry Question 74 English Option 2
C
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Practical Organic Chemistry Question 74 English Option 3
D
JEE Main 2019 (Online) 9th April Morning Slot Chemistry - Practical Organic Chemistry Question 74 English Option 4
3
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
An organic compound 'X' showing the following solubility profile is : JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Practical Organic Chemistry Question 76 English
A
o-Toluidine
B
Benzamide
C
Oleic acid
D
m-Cresol
4
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
An organic compound neither reacts with neutral ferric chloride solution nor with fehling solution. it however, reacts with Grignard reagent and gives positive iodoform test. The compound is :
A
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Practical Organic Chemistry Question 75 English Option 1
B
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Practical Organic Chemistry Question 75 English Option 2
C
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Practical Organic Chemistry Question 75 English Option 3
D
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Practical Organic Chemistry Question 75 English Option 4
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