1
JEE Main 2021 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
What is the major product "P" of the following reaction?

JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 110 English
A
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 110 English Option 1
B
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 110 English Option 2
C
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 110 English Option 3
D
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Compounds Containing Nitrogen Question 110 English Option 4
2
JEE Main 2021 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Identify the process in which change in the oxidation state is five :
A
$$C{r_2}O_7^{2 - } \to 2C{r^{3 + }}$$
B
$$MnO_4^ - \to M{n^{2 + }}$$
C
$$CrO_4^{2 - } \to C{r^{3 + }}$$
D
$${C_2}O_4^{2 - } \to 2C{O_2}$$
3
JEE Main 2021 (Online) 25th July Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Which among the following is the strongest acid ?
A
$$C{H_3}C{H_2}C{H_2}C{H_3}$$
B
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Basics of Organic Chemistry Question 125 English Option 2
C
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Basics of Organic Chemistry Question 125 English Option 3
D
JEE Main 2021 (Online) 25th July Evening Shift Chemistry - Basics of Organic Chemistry Question 125 English Option 4
4
JEE Main 2021 (Online) 25th July Evening Shift
Numerical
+4
-1
Change Language
A system does 200 J of work and at the same time absorbs 150 J of heat. The magnitude of the change in internal energy is ____________ J. (Nearest integer)
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