1
JEE Main 2019 (Online) 10th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
If dichloromethane (DCM) and water (H2O) are used for differential extraction, which one of the following statements is correct ?
A
DCM and H2O would stay as upper and lower layer respectively in the separating funnel (S.F.)
B
DCM and H2O will make turbid/colloidal mixture
C
DCM and H2O would stay as lower and upper layer respectively in the separating funnel(S.F).
D
DCM and H2O will be miscible clearly
2
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 177 English
A
A < B < D < C
B
D < C < A < B
C
D < C < B < A
D
A < B < C < D
3
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 178 English Option 1
B
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 178 English Option 2
C
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 178 English Option 3
D
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Basics of Organic Chemistry Question 178 English Option 4
4
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct decreasing order for acid strength is :
A
NO2CH2COOH > FCH2COOH > CNCH2COOH > ClCH2COOH
B
FCH2COOH > NCCH2COOH > NO2CH2COOH > ClCH2COOH
C
CNCH2COOH > O2NCH2COOH > FCH2COOH > ClCH2COOH
D
NO2CH2COOH > NCCH2COOH > FCH2COOH > ClCH2COOH
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