1
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product in the following reaction is :

JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 245 English
A
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 245 English Option 1
B
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 245 English Option 2
C
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 245 English Option 3
D
JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 245 English Option 4
2
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Homoleptic octahedral complexes of a metal ion 'M3+' with three monodenate ligands L1, L2 and L3 adsorb wavelenths in the region of green, blue and red respectively. The increasing order of the ligands strength is :
A
L3 < L1 < L2
B
L3 < L2 < L1
C
L1 < L2 < L3
D
L2 < L1 < L3
3
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the following reversible chemical reactions :

JEE Main 2019 (Online) 9th January Evening Slot Chemistry - Chemical Equilibrium Question 97 English

The relation between K1 and K2 is :
A
K1K2 = $${1 \over 3}$$
B
K2 = K13
C
K2 = K1$$-$$3
D
K1K2 = 3
4
JEE Main 2019 (Online) 9th January Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct match between Item I and Item II is :

Item - I Item - II
(A) Benzaldehyde (P) Mobile phase
(B) Alumina (Q) Adsorbent
(C) Acetonitrile (R) Adsorbate
A
(A) $$ \to $$ (Q); (B) $$ \to $$ (P); (C) $$ \to $$ (R)
B
(A) $$ \to $$ (R); (B) $$ \to $$ (Q); (C) $$ \to $$ (P)
C
(A) $$ \to $$ (Q); (B) $$ \to $$ (R); (C) $$ \to $$ (P)
D
(A) $$ \to $$ (P); (B) $$ \to $$ (R); (C) $$ \to $$ (Q)

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