1
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
JEE Main 2021 (Online) 20th July Evening Shift Chemistry - Hydrocarbons Question 44 English
Major product P of above reaction, is :
A
JEE Main 2021 (Online) 20th July Evening Shift Chemistry - Hydrocarbons Question 44 English Option 1
B
JEE Main 2021 (Online) 20th July Evening Shift Chemistry - Hydrocarbons Question 44 English Option 2
C
JEE Main 2021 (Online) 20th July Evening Shift Chemistry - Hydrocarbons Question 44 English Option 3
D
JEE Main 2021 (Online) 20th July Evening Shift Chemistry - Hydrocarbons Question 44 English Option 4
2
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Cu2+ salt reacts with potassium iodide to give
A
Cu2I2
B
Cu2I3
C
Cul
D
Cu(I3)2
3
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
In Carius method, halogen containing organic compound is heated with fuming nitric acid in the presence of :
A
HNO3
B
AgNO3
C
CuSO4
D
BaSO4
4
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Which one of the following gases is reported to retard photosynthesis?
A
CO
B
CFCs
C
CO2
D
NO2
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