Standard state Gibbs energy changes for the isomerization reaction- cis-2-pentene- trans-2-pentene is-3-67kJ-mol at 400K- If more trans-2-pentene is added to the reaction vessel- then-

The correct option is D more cis 2 pentene is formed.The reaction will follows the #160;Le chatelier principle. If more product is added, the reaction will s ...

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Standard XII

Chemistry

Dynamic Nature of Physical and Chemical Equilibrium

Standard stat...

Question

Standard state Gibbs energy changes for the isomerization reaction.
$c i s - 2 - p e n t e n e \to t r a n s - 2 - p e n t e n e i s - 3.67 k J / m o l a t 400 K$ .
If more trans-2-pentene is added to the reaction vessel, then:

equilibrium remains unaffected.

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additional trans-2-pentene is formed.

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more cis-2-pentene is formed.

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equilibrium is shifted in forward direction.

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Solution

The correct option is D more cis-2-pentene is formed.
The reaction will follows the Le-chatelier principle. If more product is added, the reaction will shift in the direction that will restore the thermodynamic equilibrium of the system.
To restore the system in the equilibrium, product concentration must decrease in this case. Hence more reactants will be formed.

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Standard state Gibbs energy changes for the isomerization reaction.cis−2−pentene→trans−2−penteneis−3.67kJ/molat400K. If more trans-2-pentene is added to the reaction vessel, then:

Standard state Gibbs energy changes for the isomerization reaction.
$c i s - 2 - p e n t e n e \to t r a n s - 2 - p e n t e n e i s - 3.67 k J / m o l a t 400 K$ .
If more trans-2-pentene is added to the reaction vessel, then: