1
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The major product(s) obtained in the following reaction is/are :
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 152 English
A
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 152 English Option 1
B
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 152 English Option 2
C
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 152 English Option 3
D
JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Aldehydes, Ketones and Carboxylic Acids Question 152 English Option 4
2
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The complex ion that will lose its crystal field stabilization energy upon oxidation of its metal to +3 state is : JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Coordination Compounds Question 190 English
A
[Fe(phen)3]2+
B
[Zn(phen)3]2+
C
[Co(phen)3]2+
D
[Ni(phen)3]2+
3
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The group number, number of valence electrons, and valency of an element with atomic number 15, respectively, are:
A
16, 6 and 3
B
15, 6 and 12
C
16, 5 and 2
D
15, 5 and 3
4
JEE Main 2019 (Online) 12th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The increasing order of the pKb of the following compound is : JEE Main 2019 (Online) 12th April Morning Slot Chemistry - Basics of Organic Chemistry Question 155 English
A
(C) < (A) < (D) < (B)
B
(B) < (D) < (C) < (A)
C
(B) < (D) < (A) < (C)
D
(A) < (C) < (D) < (B)
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