1
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The IUPAC name of the following compound is :
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Basics of Organic Chemistry Question 231 English
A
3-Hydroxy-4-methylpentanoic acid
B
4,4-Dimethyl-3-hydroxybutanoic acid
C
2-Methyl-3-hydroxypentan-5-oic acid
D
4-Methyl-3-hydroxypentanoic acid
2
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
For silver, Cp(J K–1 mol–1) = 23 +0.01 T. If the temperature (T) of 3 moles of silver is raised from 300 K to 1000 K at 1 atm pressure, the value of $$\Delta H$$ will be close to :
A
62 KJ
B
16 KJ
C
13 KJ
D
21 KJ
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
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
$$S = {\left( {{{{K_{sp}}} \over {216}}} \right)^{1/7}}$$

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