1
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product of the following reaction is : JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 153 English
A
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 153 English Option 1
B
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 153 English Option 2
C
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 153 English Option 3
D
JEE Main 2019 (Online) 8th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 153 English Option 4
2
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The lathanide ion that would show colour is :
A
Sm3+
B
Gd3+
C
Lu3+
D
La3+
3
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
For the reaction 2A + B $$ \to $$ C, the values of initial rate at diffrent reactant concentrations are given in the table below. The rate law for the reaction is :

[A] (mol L-1) [B] (mol L-1) Initial Rate (mol L-1s-1)
0.05 0.05 0.045
0.10 0.05 0.090
0.20 0.10 0.72
A
Rate = k[A][B]2
B
Rate = k[A]2[B]2
C
Rate = k[A]2[B]
D
Rate = k[A][B]
4
JEE Main 2019 (Online) 8th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct order of the spin-only magnetic moment of metal ions in the following low-spin complexes, [V(CN)6]4–,[Fe(CN)6]4–, [Ru(NH3)6]3+, and [Cr(NH3)6]2+ , is :
A
V2+ > Ru3+ > Cr2+ > Fe2+
B
V2+ > Cr2+ > Ru3+ > Fe2+
C
Cr2+ > V2+ > Ru3+ > Fe2+
D
Cr2+ > Ru3+ > Fe2+ > V2+
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