Because KCN is a ionic compound but AgCN is covalent compound .
So, when KCN is dissolved the we get K+ ion and CN_ ion then bonding takes place through carbon but in AgCN doesn't give ions so bond formation takes place form free side of AgCN or from nitrogen.
The molecular formula for silver cyanide is AgCN.Silver cyanide is often used in silver plating.
When cyanide reacts with silver, it forms a complex coordination compound known as silver cyanide (AgCN). The chemical reaction can be represented as: Ag + CN- → AgCN. Silver cyanide is a white solid that is sparingly soluble in water.
The chemical formula for silver cyanide is AgCN. It is a white solid compound that is highly toxic and can release hydrogen cyanide gas in contact with acids.
The cyanide radical consists of a carbon atom triple bonded to a nitrogen atom, and has a -1 charge. It's CN- as we write it. The only difference between silver and gold cyanide is the silver and the gold. Both precious metals will form a bond with the radical in their +1 valence state, so the observer will see either AgCN or AuCN molecules. The former is, of course, silver cyanide, and the latter is gold cyanide.
Well this is quite a good question when i was in high school which was many years ago i learnt all this stuff. The answer is that Silver cyanide is the chemical compound with the formula AgCN. This white solid forms upon treatment of solutions containing Ag+ with cyanide. This precipitation step is used in some schemes to recover silver from solution. Silver cyanide is used in silver-plating
Haloalkanes react with KCN to form nitriles because CN- acts as a nucleophile attacking the carbon of the halogen atom, leading to substitution. On the other hand, with AgCN, the reaction proceeds through an isocyanide intermediate due to the ability of Ag+ to stabilize the cyanide ion, promoting nucleophilic addition to the carbon of the halogen atom.
The molecular formula for silver cyanide is AgCN.Silver cyanide is often used in silver plating.
AgCN
AgCn
AgCN
AgCN
AgCN
When cyanide reacts with silver, it forms a complex coordination compound known as silver cyanide (AgCN). The chemical reaction can be represented as: Ag + CN- → AgCN. Silver cyanide is a white solid that is sparingly soluble in water.
In the presence of potassium cyanide (KCN), alkyl halides typically undergo an SN2 reaction to form nitriles due to the strong nucleophilicity of cyanide ion. However, when reacting with silver cyanide (AgCN), the reaction mechanism favors an SN1 pathway due to the solubility of AgCN in polar solvents, resulting in the formation of isocyanides (also known as isonitriles) instead of nitriles.
KCN + RCl ------------>RCN + KCl : this is in aqueous medium. here K+ ions displace the less electropositive R+ ions and hence the rxn is a simple rxn of alkyl halides. AgCN + RCL --------------> R=N-->C + AgCl : but this rxn is in alcoholic medium. N & C ions can both donate a lone pair of electrons. such groups are called ambident nucleophile
The chemical formula for silver cyanide is AgCN. It is a white solid compound that is highly toxic and can release hydrogen cyanide gas in contact with acids.
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