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1
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
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The IUPAC name of the following compound is :
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Basics of Organic Chemistry Question 171 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) 12th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
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Among the following four aromatic compounds, which one will have the lowest melting point ?
A
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Basics of Organic Chemistry Question 172 English Option 1
B
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Basics of Organic Chemistry Question 172 English Option 2
C
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Basics of Organic Chemistry Question 172 English Option 3
D
JEE Main 2019 (Online) 12th January Morning Slot Chemistry - Basics of Organic Chemistry Question 172 English Option 4
3
JEE Main 2019 (Online) 11th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
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In the following compound,

JEE Main 2019 (Online) 11th January Evening Slot Chemistry - Basics of Organic Chemistry Question 173 English

the favourable site/s for protonation is/are :
A
(b), (c) and (d)
B
(a) and (e)
C
(a) and (d)
D
(a)
4
JEE Main 2019 (Online) 11th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct match between items I and II is :

Item-I (Mixture) Item-II (Seperation method)
(A) H2O : Sugar (P) Sublimation
(B) H2O : Aniline (Q) Recrystallization
(C) H2O : Toluene
 (R) Steam distillation
(S) Differential extraction
A
A$$ \to $$(R); (B)$$ \to $$(P); (C)$$ \to $$(S)
B
A$$ \to $$(Q); (B)$$ \to $$(R); (C)$$ \to $$(S)
C
A$$ \to $$(Q); (B)$$ \to $$(P); (C)$$ \to $$(R)
D
A$$ \to $$(S); (B)$$ \to $$(R); (C)$$ \to $$(P)
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