1
JEE Main 2018 (Offline)
MCQ (Single Correct Answer)
+4
-1
The trans-alkenes are formed by the reduction of alkynes with
A
Sn - HCl
B
H2 – Pd/C, BaSO4
C
NaBH4
D
Na/liq. NH3
2
JEE Main 2018 (Online) 15th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Biochemical Oxygen Demand (BOD) value can be a measure of water pollution caused by the organic matter. Which of the following statements is correct ?
A
Aerobic bacteria decrease the BOD value.
B
Anaerobic bacteria increase the BOD value.
C
Clean water has BOD value higher than 10 ppm.
D
Polluted water has BOD value higher than 10 ppm.
3
JEE Main 2018 (Online) 15th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
When 2-butyne is treate with H2/Lindlar's catalyst, compound X is produced as the major product and when treated with Na/liq. NH3 it produces Y as the major product Which of the following statements is correct ?
A
X will have higher dipole moment and higher boiling point than Y.
B
Y will have higher dipole moment and higher boiling point than X.
C
X will have lower dipole moment and lower boiling point than Y.
D
Y will have higher dipole momet and lower boiling point than X.
4
JEE Main 2017 (Online) 9th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
The major product of the following reaction is :

JEE Main 2017 (Online) 9th April Morning Slot Chemistry - Hydrocarbons Question 110 English
A
JEE Main 2017 (Online) 9th April Morning Slot Chemistry - Hydrocarbons Question 110 English Option 1
B
JEE Main 2017 (Online) 9th April Morning Slot Chemistry - Hydrocarbons Question 110 English Option 2
C
JEE Main 2017 (Online) 9th April Morning Slot Chemistry - Hydrocarbons Question 110 English Option 3
D
JEE Main 2017 (Online) 9th April Morning Slot Chemistry - Hydrocarbons Question 110 English Option 4
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