1
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Cu2+ salt reacts with potassium iodide to give
A
Cu2I2
B
Cu2I3
C
Cul
D
Cu(I3)2
2
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
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
3
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which one of the following gases is reported to retard photosynthesis?
A
CO
B
CFCs
C
CO2
D
NO2
4
JEE Main 2021 (Online) 20th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2021 (Online) 20th July Evening Shift Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 92 English
The correct order of their reactivity towards hydrolysis at room temperature is :
A
(A) > (B) > (C) > (D)
B
(D) > (A) > (B) > (C)
C
(D) > (B) > (A) > (C)
D
(A) > (C) > (B) > (D)
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