The number of ions from the following that have the ability to liberate hydrogen from a dilute acid is _______. Ti 2+, Cr 2+ and V 2+ (A) 0 (B) 2 (C) 3 (D) 1

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Question

The number of ions from the following that have the ability to liberate hydrogen from a dilute acid is _______. Ti 2+, Cr 2+ and V 2+

(A) 0
(B) 2
(C) 3
(D) 1

Prashant Kotian · Accepted Answer

Correct answer: C. The ions Ti +2, V +2 Cr +2 are strong reducing agents and will liberate hydrogen from a dilute acid, eg. 3 (aq.) (aq.) (aq.) 2Cr 2H 2Cr H (g) + + + + → +

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