Can KCN react with both RX and ROH to give RCN?
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I don't know...... ........
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CN is a ambident neuclophile,means two neuclophilic centres hence it can attack from both sides,-c as well as -N.
KCN is ionic bond hence heterolytic fission takes place
KCN→k+ + cl-
R-x + kCN → R-CN + KX
IN CASE OF AgCN,It is a covalent hence homolytic fission takes place
AgCN→ Ag· + CN· ( in this case nitrogen has three electrons on it while carbon has one hence neuclophile attack on NITROGEN SIDE
RX+AgCN→R- NC + AgX
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