Multiple choice

The reaction [Co(NH3)5Cl]+++ -OH giving [Co(OH)(NH3)5]++ follows a mechanistic pathway which is ___________.

  1. SN1

  2. SN2

  3. SN1CB

  4. SE2

  5. None of these
Reveal answer Fill a bubble to check yourself
B Correct answer
Explanation

This option is correct because the complex [CoCl(NH3)5]++ react with -OH in slow step to form the intermediate complex [Co(NH3)5OHCl]+, and again in fast steps the Cl- ion dissociate and form [Co(NH3)5OH]++ complex ion.

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