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When a blue litmus paper is dipped in an aqueous solution of benzenediazonium bromide, the litmus paper _____

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in Chemistry – Class 12 by (188k points)
When a blue litmus paper is dipped in an aqueous solution of benzenediazonium bromide, the litmus paper _____

(a) turns red

(b) turns orange

(c) turns black

(d) remains unchanged

I got this question in semester exam.

I'd like to ask this question from Diazonium Salts Physical Properties in portion Amines of Chemistry – Class 12

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Right answer is (d) remains unchanged

The explanation: Benzenediazonium bromide is a salt, made of a positive diazonium group and a negative bromide ion. Thus, it remains neutral to litmus paper.

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