Question
What is carbyl amine reaction?
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Answer
Carbylamine reaction or isocyanide test : Aliphatic and aromatic primary amines when heated with chloroform and alcoholic KOH solution produce isocyanides or carbylamines which are foul smelling substances. Secondary and tertiary amines do not undergo this reaction.
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Give examples and suggest reasons for the following features of the transition metal chemistry :
(i) The lowest oxide of transition metal is basic, the highest is amphoteric/acidic.
(ii) A transition metal exhibits highest oxidation state in oxides and fluorides.
(iii) The highest oxidation state is exhibited in oxoanions of a metal.
(i) The lowest oxide of transition metal is basic, the highest is amphoteric/acidic.
(ii) A transition metal exhibits highest oxidation state in oxides and fluorides.
(iii) The highest oxidation state is exhibited in oxoanions of a metal.
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(2) $B r F _3$
(3) $HClO _4$
(4) $XeF _2$
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(2) $B r F _3$
(3) $HClO _4$
(4) $XeF _2$
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(i) Electronic configurations
(ii) Oxidation states
(iii) Ionisation enthalpies and
(iv) Atomic sizes.