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JEE Main 2021 (Online) 26th February Morning Shift
Numerical
+4
-1
Change Language
A homogeneous ideal gaseous reaction $$A{B_{2(g)}} \rightleftharpoons {A_{(g)}} + 2{B_{(g)}}$$ is carried out in a 25 litre flask at 27$$^\circ$$C. The initial amount of AB2 was 1 mole and the equilibrium pressure was 1.9 atm. The value of Kp is x $$\times$$ 10$$-$$2. The value of x is _________. (Integer answer)

[R = 0.08206 dm3atm K$$-$$1mol$$-$$1]
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2
JEE Main 2021 (Online) 24th February Morning Shift
Numerical
+4
-1
Change Language
The stepwise formation of $${\left[ {Cu{{\left( {N{H_3}} \right)}_4}} \right]^{2 + }}$$ is given below:

JEE Main 2021 (Online) 24th February Morning Shift Chemistry - Chemical Equilibrium Question 50 English
The value of stability constants K1, K2, K3 and K4 are 104, 1.58 x 103, 5 x 102 and 102 respectively.
The overall equilibrium constants for dissociation of $${\left[ {Cu{{\left( {N{H_3}} \right)}_4}} \right]^{2 + }}$$ is x $$ \times $$ 10-12.
The value of x is ________. (Rounded off to the nearest integer)
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3
JEE Main 2021 (Online) 24th February Morning Shift
Numerical
+4
-1
Change Language
At 1990 K and 1 atm pressure, there are equal number of Cl2, molecules and Cl atoms in the reaction mixture. The value of Kp for the reaction Cl2 (g) $$ \rightleftharpoons $$ 2Cl(g) under the above conditions is x $$ \times $$ 10-1.
The value of x is _______. (Rounded off to the nearest integer)
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4
JEE Main 2021 (Online) 24th February Morning Shift
Numerical
+4
-1
Change Language
For the reaction A(g) $$ \to $$ B(g) the value of the equilibrium constant at 300 K and 1 atm is equal to 100.0. The value of $$\Delta $$rG for the reaction at 300 K and 1 atm in J mol-1 is – xR, where x is _______. (Rounded off to the nearest integer)
[R = 8.31 J mol–1K-1 and ln 10 = 2.3)
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