1.

(A) The reduction of Cr_(2) O_(3) with Al posses Delta G^(0)= - ve but does not take place at room 'T' (R) Certain amount of E_(a)is required and hence heating is required .

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Both (A) and (R) are TRUE and (R) is the CORRECT explanation of (A)
Both (A) and (R) are true and (R) is not the correct explanationof (A)
(A) is true but (R) is FALSE
Both (A) and (R) are false

Answer :A


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