1
JEE Advanced 2019 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Change Language
The correct order of acid strength of the following carboxylic acids is

JEE Advanced 2019 Paper 1 Offline Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 49 English
A
III > II > I > IV
B
I > II > III > IV
C
II > I > IV > III
D
I > III > II > IV
2
JEE Advanced 2019 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Change Language
The green colour produced in the borax bead test of a chromium (III) salt is due to
A
Cr2O3
B
CrB
C
Cr(BO2)3
D
Cr2(B4O7)3
3
JEE Advanced 2019 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Change Language
Calamine, malachite, magnetic and cryolite, respectively, are
A
ZnCO3, CuCO3, Fe2O3, Na3AlF6
B
ZnSO4, CuCO3, Fe2O3, AlF3
C
ZnSO4, Cu(OH)2, Fe3O4, Na3AlF6
D
ZnCO3, CuCO3.Cu(OH)2, Fe3O4, Na3AlF6
4
JEE Advanced 2019 Paper 1 Offline
MCQ (Single Correct Answer)
+3
-1
Change Language
Molar conductivity ($$\Lambda $$m) of aqueous solution of sodium stearate, which behaves as a strong electrolyte, is recorded at varying concentrations (C) of sodium stearate. Which one of the following plots provides the correct representation of micelle formation in the solution?

(critical micelle concentration (CMC) is marked with an arrow in the figures)
A
JEE Advanced 2019 Paper 1 Offline Chemistry - Electrochemistry Question 10 English Option 1
B
JEE Advanced 2019 Paper 1 Offline Chemistry - Electrochemistry Question 10 English Option 2
C
JEE Advanced 2019 Paper 1 Offline Chemistry - Electrochemistry Question 10 English Option 3
D
JEE Advanced 2019 Paper 1 Offline Chemistry - Electrochemistry Question 10 English Option 4
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