1.

Which of the following is the fastest reaction ?

Answer»

`overset(..)uoverset(..)U1/(2)2overset(250^@C)RARR`
`overset(..)uoverset(..)u1/(2)2overset(500^@C)rarr`
`overset(..)uoverset(..)u1/(2)2overset(750^@C)rarr`
`overset(..)uoverset(..)u1/(2)2overset(1000^@C)rarr`

Answer :D


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