1
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The size of the iso-electronic species Cl,  Ar and Ca2+ is affected by :
A
electron-electron interaction in the outer orbitals
B
Principal quantum number of valence shell
C
nuclear charge
D
azimuthal quantum number of valence shell
2
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
In order to oxidise a mixture of one mole of each of FeC2O4, Fe2(C2O4)3, FeSO4 and Fe2(SO4)3 in acidic medium, the number of moles of KMnO4 required is :
A
1.5
B
3
C
2
D
1
3
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is : JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 170 English
A
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 170 English Option 1
B
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 170 English Option 2
C
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 170 English Option 3
D
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 170 English Option 4
4
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The lathanide ion that would show colour is :
A
Sm3+
B
Gd3+
C
Lu3+
D
La3+
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