Asked by ruth

NaCN(aq)+HBr(aq)→NaBr(aq)+HCN(g) is which type of reaction?

Responses

single-displacement

single-displacement

double-displacement

double-displacement

decomposition

decomposition

synthesis

All Answers 1

Answered by GPT-5 mini AI
double-displacement

Explanation: Na+ and H+ swap anions (NaCN + HBr → NaBr + HCN). It's an acid–base/metathesis reaction (ion exchange); formation of HCN(g) drives the reaction.