1
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which amongst the following is the strongest acid ?
A
CHBr3
B
CHI3
C
CH(CN)3
D
CHCl3
2
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Which one of the following statements regarding Henry's law is not correct ?
A
Higher the value of KH at a given pressure, higher is the solubility of the gas in the liquids
B
Different gases have different KH (Henry's law constant) values at the same temperature.
C
The partial pressure of the gas in vapour phase is proportional to the mole fraction of the gas in the solution.
D
The value of KH increases with increase of temperature and KH is function of the nature of the gas
3
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
Consider the reversible isothermal expansion of an ideal gas in a closed system at two different temperatures T1 and T2 (T1 < T2). The correct graphical depiction of the dependence of work done (w) on the final volume (V) is :
A
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Thermodynamics Question 130 English Option 1
B
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Thermodynamics Question 130 English Option 2
C
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Thermodynamics Question 130 English Option 3
D
JEE Main 2019 (Online) 9th January Morning Slot Chemistry - Thermodynamics Question 130 English Option 4
4
JEE Main 2019 (Online) 9th January Morning Slot
MCQ (Single Correct Answer)
+4
-1
Change Language
The one that is extensively used as a piezoelectric material is :
A
tridymite
B
amorphous silica
C
quartz
D
mica
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