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Assertion (A): The endothermic reactions...

Assertion (A): The endothermic reactions are favoured at lower temperature and the exothermic reactions are favoured at higher temperature.
Reason (R ) : when a system in equilibrium is disturbed by changing the temperature, it will tend to adjust itself so as to overcome the effect of the change.

A

If both the statements are true and statement -2 is the correct explanation of statement-I

B

If both the statements are true but statement-2 is not the correct explanation of statement-I

C

If statement-I is true and statement-2 is false

D

If statement-I is false and statement-2 is true.

Text Solution

Verified by Experts

The correct Answer is:
D
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Exothermic reactions are favoured by ____ in temperature

Assertion (A): May endothermic reactions that are not spontaneous at room temperature become spontaneous at high temperature. Reason (R ) : Entropy of the system increases with increase in temperature.

The rates of which reactions are increased when the temperature s raised? (P) endothermic reactions (Q) exothermic reactions

Knowledge Check

  • Statement 1 : The endothermic reactions are favoured at lower temperature and the exothermic reactions are favoured at higher temperature. Statement 2 : When a system in equilibrium is disturbed by changing the temperature, it will tend to adjust itself so as to overcome the effect of change.

    A
    Statement 1 is true, statement-2 is true, statement 2 is a correct explanation for statement 1
    B
    Statement 1 is true, statement 2 is true, statement 2 is not a correct explanation for statement 1
    C
    Statement 1 is true, statement 2 is false
    D
    Statement 1 is false, statement 2 is true

  • Statement -1: The endothermic reactions are favoured at lower temperature and the exothermic reactions are favoured at higher temperatuer. and Statement -2: When a system in equilibrium is distributed by changing the temperature it will tend to adjust itself so as to overcome the effect of change.

    A
    Statement -1 is true, Statement -2 is true, Statement -2 is correct explanation for statement -2
    B
    Statement -1 is true, Statement -2 is true, Statement -2 is not a correct explanation for statement -2
    C
    Statement -1 is true, statement -2 is false
    D
    Statement -1 is false, statement -2 is true.

  • Increase in temperature favour the forward reaction in

    A
    `2SO_(2)(g) + O_(2)(g) rarr 2SO_(3)(g)`
    B
    `2O_(3)(g) rarr 3O_(2)(g)`
    C
    `C("graphite") rarr C ("diamond")`
    D
    `H_(2)(g) + ( 1)/( 2) O_(2) ( g) rarr H_(2)O(g)`