1
JEE Main 2018 (Online) 15th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
An ideal gas undergoes a cyclic process as shown in Figure.

JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Thermodynamics Question 131 English
$$\Delta $$UBC = $$-$$5 kJ mol-1, qAB = $$2$$ kJ mol-1, WAB = $$-$$5 kJ mol-1, WCA = 3 kJ mol-1. Heat absorbed by the system during process $$CA$$ is :
A
$$-$$5 kJ mol-1
B
+5 kJ mol-1
C
18 kJ mol-1
D
$$-$$18 kJ mol-1
2
JEE Main 2018 (Online) 15th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Out of Syllabus
Change Language
Which of the following arrangements shows the schematic alignment of magnetic moments of antiferromagnetic substance ?
A
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Solid State Question 53 English Option 1
B
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Solid State Question 53 English Option 2
C
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Solid State Question 53 English Option 3
D
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Solid State Question 53 English Option 4
3
JEE Main 2018 (Online) 15th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Chemical Bonding & Molecular Structure Question 158 English
In hydrogen azide (above) the bond orders of bond (I) and (II) are :
A
$$\eqalign{ & (\mathrm{I})\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(\mathrm{II}) \cr & < 2\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, > 2 \cr} $$
B
$$\eqalign{ & (\mathrm{I})\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(\mathrm{II}) \cr & > 2\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, < 2 \cr} $$
C
$$\eqalign{ & (\mathrm{I})\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(\mathrm{II}) \cr & > 2\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, > 2 \cr} $$
D
$$\eqalign{ & (\mathrm{I})\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,(\mathrm{II}) \cr & < 2\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, < 2 \cr} $$
4
JEE Main 2018 (Online) 15th April Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which of the following is the correct structure of Adenosine?
A
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Biomolecules Question 126 English Option 1
B
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Biomolecules Question 126 English Option 2
C
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Biomolecules Question 126 English Option 3
D
JEE Main 2018 (Online) 15th April Morning Slot Chemistry - Biomolecules Question 126 English Option 4
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