2,3-nNcppos-2-NerwnneNrandarrow CH_(3)-C=CH-CH_(2)-CN_(3)

The given chemical equation represents the reaction of 2,3-dimethyl-1-butene with hydrogen cyanide (HCN) to form 2,3-dimethyl-1-butyne.The balanced chemical equation for this reaction is: In this reaction, the double bond in 2,3-dimethyl-1-butene reacts with HCN to form a new triple bond in 2,3-dimethyl-1-butyne. The hydrogen atom from HCN is added to the terminal carbon atom, forming the cyano group (-CN) in the final product.The balanced chemical equation shows that one molecule of 2,3-dimethyl-1-butene reacts with one molecule of HCN to produce one molecule of 2,3-dimethyl-1-butyne.