1
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
Hydrolysis of sucrose gives :
A
$$\alpha$$-D-($$-$$)-Glucose and $$\beta$$-D-($$-$$)-Fructose
B
$$\alpha$$-D-(+)-Glucose and $$\alpha$$-D-($$-$$)-Fructose
C
$$\alpha$$-D-($$-$$)-Glucose and $$\alpha$$-D-(+)-Fructose
D
$$\alpha$$-D-(+)-Glucose and $$\beta$$-D-($$-$$)-Fructose
2
JEE Main 2021 (Online) 27th August Evening Shift
MCQ (Single Correct Answer)
+4
-1
Change Language
The correct structures of A and B formed in the following reactions are :

JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Compounds Containing Nitrogen Question 119 English
A
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Compounds Containing Nitrogen Question 119 English Option 1
B
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Compounds Containing Nitrogen Question 119 English Option 2
C
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Compounds Containing Nitrogen Question 119 English Option 3
D
JEE Main 2021 (Online) 27th August Evening Shift Chemistry - Compounds Containing Nitrogen Question 119 English Option 4
3
JEE Main 2021 (Online) 27th August Evening Shift
Numerical
+4
-1
Change Language
The first order rate constant for the decomposition of CaCO3 at 700 K is 6.36 $$\times$$ 10$$-$$3s$$-$$1 and activation energy is 209 kJ mol$$-$$1. Its rate constant (in s$$-$$1) at 600 K is x $$\times$$ 10$$-$$6. The value of x is ___________. (Nearest integer)

[Given R = 8.31 J K$$-$$ mol$$-$$1; log 6.36 $$\times$$ 10$$-$$3 = $$-$$2.19, 10$$-$$4.79 = 1.62 $$\times$$ 10$$-$$5]
Your input ____
4
JEE Main 2021 (Online) 27th August Evening Shift
Numerical
+4
-1
Change Language
The number of optical isomers possible for [Cr(C2O4)3]3$$-$$ is ____________.
Your input ____
JEE Main Papers
2023
2021
EXAM MAP