1
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the given statements is INCORRECT about glycogen?
A
It is a straight chain polymer similar to amylose
B
It is present in animal cells
C
It is present in some yeast and fungi
D
Only $$\alpha $$-linkages are present in the molecule
2
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The pair that has similar atomic radii is :
A
Mo and W
B
Mn and Fe
C
Ti and Hf
D
Sc and Ni
3
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The INCORRECT match in the following is :
A
$$\Delta $$Go = 0, K = 1
B
$$\Delta $$Go < 0, K < 1
C
$$\Delta $$Go > 0, K < 1
D
$$\Delta $$Go < 0, K > 1
4
JEE Main 2019 (Online) 12th April Evening Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Thermal decomposition of a Mn compound (X) at 513 K results in compound Y, MnO2 and gaseous product. MnO2 reacts with NaCl and concentrated H2O4 to give a pungent gas Z. X, Y and Z, respectively, are :
A
KMnO4, K2MnO4 and Cl2
B
K2MnO4, KMnO4 and SO2
C
K3MnO4, K2MnO4 and Cl2
D
K2MnO4, KMnO4 and Cl2
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