1
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Coupling of benzene diazonium chloride with 1 - naphthol in alkaline medium will give :
A
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Compounds Containing Nitrogen Question 160 English Option 1
B
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Compounds Containing Nitrogen Question 160 English Option 2
C
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Compounds Containing Nitrogen Question 160 English Option 3
D
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Compounds Containing Nitrogen Question 160 English Option 4
2
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
If solublity product of Zr3(PO4)4 is denoted by Ksp and its molar solubility is denoted by S, then which of the following relation between S and Ksp is correct ?
A
$$S = {\left( {{{{K_{sp}}} \over {929}}} \right)^{1/9}}$$
B
$$S = {\left( {{{{K_{sp}}} \over {6912}}} \right)^{1/7}}$$
C
$$S = {\left( {{{{K_{sp}}} \over {144}}} \right)^{1/6}}$$
D
$$S = {\left( {{{{K_{sp}}} \over {216}}} \right)^{1/7}}$$
3
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
4
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
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