JEE Advanced Chemistry question

The transition metal used as a catalyst is

(A)Nickel
(B)Platinum
(C)Cobalt
(D)All of theseCorrect

Answer: (D)

Solution

All three metals are important industrial catalysts: nickel is used in the catalytic hydrogenation of alkenes/vegetable oils, platinum is used in catalytic converters and in the Ostwald process (oxidation of ammonia), and

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Question ID VK-159638