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Which of the following is required in Stephen reaction?

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in Chemistry – Class 12 by (188k points)
Which of the following is required in Stephen reaction?

(a) LiCl

(b) NiCl2

(c) SnCl2

(d) TiCl4

This question was addressed to me by my college professor while I was bunking the class.

I would like to ask this question from Preparation of Aldehydes and Ketones in division Aldehydes, Ketones and Carboxylic Acids of Chemistry – Class 12

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Correct answer is (c) SnCl2

Explanation: Nitriles are converted to respective imines with SnCl2 in the presence of HCl, which on hydrolysis gives corresponding aldehyde.

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