1
JEE Main 2022 (Online) 24th June Evening Shift
Numerical
+4
-1
Change Language

PCl5 dissociates as

PCl5(g) $$\rightleftharpoons$$ PCl3(g) + Cl2(g)

5 moles of PCl5 are placed in a 200 litre vessel which contains 2 moles of N2 and is maintained at 600 K. The equilibrium pressure is 2.46 atm. The equilibrium constant Kp for the dissociation of PCl5 is __________ $$\times$$ 10$$-$$3. (nearest integer)

(Given : R = 0.082 L atm K$$-$$1 mol$$-$$1; Assume ideal gas behaviour)

Your input ____
2
JEE Main 2022 (Online) 24th June Morning Shift
Numerical
+4
-1
Change Language

2O3(g) $$\rightleftharpoons$$ 3O2(g)

At 300 K, ozone is fifty percent dissociated. The standard free energy change at this temperature and 1 atm pressure is ($$-$$) ____________ J mol$$-$$1. (Nearest integer)

[Given : ln 1.35 = 0.3 and R = 8.3 J K$$-$$1 mol$$-$$1]

Your input ____
3
JEE Main 2021 (Online) 27th August Evening Shift
Numerical
+4
-1
Change Language
When 5.1 g of solid NH4HS is introduced into a two litre evacuated flask at 27$$^\circ$$C, 20% of the solid decomposes into gaseous ammonia and hydrogen sulphide. The Kp for the reaction at 27$$^\circ$$C is x $$\times$$ 10$$-$$2. The value of x is _____________. (Integer answer) [Given R = 0.082 L atm K$$-$$1 mol$$-$$]
Your input ____
4
JEE Main 2021 (Online) 27th August Morning Shift
Numerical
+4
-1
Change Language
The number of moles of NH3, that must be added to 2L of 0.80 M AgNO3 in order to reduce the concentration of Ag+ ions to 5.0 $$\times$$ 10$$-$$8 M (Kformation for [Ag(NH3)2]+ = 1.0 $$\times$$ 108) is ____________. (Nearest integer)

[Assume no volume change on adding NH3]
Your input ____
JEE Main Subjects
EXAM MAP
Medical
NEET
Graduate Aptitude Test in Engineering
GATE CSEGATE ECEGATE EEGATE MEGATE CEGATE PIGATE IN
Civil Services
UPSC Civil Service
CBSE
Class 12