1
JEE Main 2020 (Online) 8th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
A flask contains a mixture of isohexane and 3-methylpentane. One of the liquids boils at 63oC while the other boils at 60oC What is the best way to separate the two liquids and which one will be distilled out first ?
A
fractional distillation, 3-methylpentane
B
simple distillation, 3-methylpentane
C
fractional distillation, isohexane
D
simple distillation, isohexane
2
JEE Main 2020 (Online) 8th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is : JEE Main 2020 (Online) 8th January Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 115 English
A
JEE Main 2020 (Online) 8th January Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 115 English Option 1
B
JEE Main 2020 (Online) 8th January Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 115 English Option 2
C
JEE Main 2020 (Online) 8th January Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 115 English Option 3
D
JEE Main 2020 (Online) 8th January Morning Slot Chemistry - Alcohols, Phenols and Ethers Question 115 English Option 4
3
JEE Main 2020 (Online) 8th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The stoichiometry and solubility product of a salt with the solubility curve given below is, respectively : JEE Main 2020 (Online) 8th January Morning Slot Chemistry - Ionic Equilibrium Question 67 English
A
XY, 2 × 10–6 M3
B
XY2, 1 × 10–9 M3
C
XY2, 4 × 10–9 M3
D
X2Y, 2 × 10–9 M3
4
JEE Main 2020 (Online) 8th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The predominant intermolecular forces present in ethyl acetate, a liquid, are:
A
Dipole-dipole and hydrogen bonding
B
hydrogen bonding and London dispersion
C
London dispersion, dipole-dipole and hydrogen bonding
D
London dispersion and dipole-dipole
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