JEE Mains Chemistry Past PapershardMCQ SINGLE

Given below are two statements. Statement-I : The choice of reducing agents for metals extraction caJEE Mains Chemistry Past Papers Chemistry Question

Question

Given below are two statements. Statement-I : The choice of reducing agents for metals extraction can be made by using Ellingham diagram, a plot of G vs temperature. Statement-II : The value of S increases from left to right in Ellingham diagram. In the light of the above statements, choose the most appropriate answer from the options given below : (A) Statement-I is false but Statement-II is true. (B) Both Statement-I and Statement-II are false. (C) Statement-I is true but Statement-II is false. (D) Both Statement-I and Statement-II are true. uhps nks dFku fn;k gSA dFku-I : ,fya?ke vkys[k] (G dk rki ds fo:) ,d vkjs[k), dk mi;ksx dj /kkrq fu"d"kZ.k ds fy,] vip;u deZd pquk tk ldrk gSA dFku-II : S dk eku ,fya?ke vkys[k esa ck¡, ls nkfgus vkSj c<+rk gSA mijksDr dFkuksa ds lanHkZ esa uhps fn, fodYiksa esa ls lgh mÙkj pqfu,A (1) dFku-I vlR; gSa ijUrq dFku-II lR; gSA (2) dFku-I rFkk dFku-II vlR; gSA (3) dFku-I lR; gS ijUrq dFku-II vlR; gSA (4) nksuksa dFku-I rFkk dFku-II lR; gSA

Answer: C

💡 Solution & Explanation

Ellingham diagram is used to check which metal oxide is reduced by which compound. | JEE MAIN-2021 | DATE : 26-08-2021 (SHIFT-1) | PAPER-1 | OFFICIAL PAPER | CHEMISTRY PAGE # 2

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