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Questions and Answers
What is the approximate C-N-H angle in amines?
What is the approximate C-N-H angle in amines?
- 107 degrees (correct)
- 90 degrees
- 109 degrees
- 120 degrees
What is the primary method of preparing primary amines from halogenoalkanes?
What is the primary method of preparing primary amines from halogenoalkanes?
- Heating with lithium aluminium hydride
- Reduction with sodium borohydride
- Treatment with phthalimide
- Heating with concentrated ammonia in ethanol (correct)
What is the pKa value of primary and secondary amines?
What is the pKa value of primary and secondary amines?
- 10
- 38 (correct)
- 4
- 20
Which type of amine does not possess a degree of acidity?
Which type of amine does not possess a degree of acidity?
What is the main application of Gabriel phthalimide synthesis?
What is the main application of Gabriel phthalimide synthesis?
What is the characteristic of an aqueous solution of an amine?
What is the characteristic of an aqueous solution of an amine?
What is the result of replacing one or more hydrogen atoms of ammonia with an alkyl group?
What is the result of replacing one or more hydrogen atoms of ammonia with an alkyl group?
What is the hybridization of nitrogen in amines according to VSEPR theory?
What is the hybridization of nitrogen in amines according to VSEPR theory?
What type of compounds are formed when a nitrogen atom is connected to a carbonyl group?
What type of compounds are formed when a nitrogen atom is connected to a carbonyl group?
How many valence electrons does a nitrogen atom have?
How many valence electrons does a nitrogen atom have?
What is the general structure of most sp3 hybridized molecules?
What is the general structure of most sp3 hybridized molecules?
What is the characteristic shape of amines due to the presence of a lone pair?
What is the characteristic shape of amines due to the presence of a lone pair?
What is the primary difference between amides and amines?
What is the primary difference between amides and amines?
How do amines resemble ammonia structurally?
How do amines resemble ammonia structurally?
What is the reason for the pyramidal shape of amines?
What is the reason for the pyramidal shape of amines?
What is the result of replacing one or more hydrogen atoms of ammonia with an aryl group?
What is the result of replacing one or more hydrogen atoms of ammonia with an aryl group?
What is the characteristic of the nitrogen atom in amines?
What is the characteristic of the nitrogen atom in amines?
What is the term used to describe amines derived from ammonia, where one or more hydrogen atoms are replaced by an alkyl or aryl group?
What is the term used to describe amines derived from ammonia, where one or more hydrogen atoms are replaced by an alkyl or aryl group?
What is the primary reason for the difference in the C-N-H angle of amines compared to tetrahedral geometry?
What is the primary reason for the difference in the C-N-H angle of amines compared to tetrahedral geometry?
Which of the following methods is used to prepare primary amines that contain one carbon atom more than the starting amine?
Which of the following methods is used to prepare primary amines that contain one carbon atom more than the starting amine?
What is the characteristic of the acidity of primary and secondary amines?
What is the characteristic of the acidity of primary and secondary amines?
Why are aryl halides not used in the Gabriel phthalimide synthesis?
Why are aryl halides not used in the Gabriel phthalimide synthesis?
What is the reason for the strong alkalinity of an aqueous solution of an amine?
What is the reason for the strong alkalinity of an aqueous solution of an amine?
What is the key difference between the preparation of primary amines from halogenoalkanes and the reduction of nitriles?
What is the key difference between the preparation of primary amines from halogenoalkanes and the reduction of nitriles?
What is the characteristic of the nitrogen atom in amines?
What is the characteristic of the nitrogen atom in amines?
What is the type of compounds formed when a nitrogen atom is connected to a carbonyl group?
What is the type of compounds formed when a nitrogen atom is connected to a carbonyl group?
How do amines differ from ammonia structurally?
How do amines differ from ammonia structurally?
What is the shape of amines due to the presence of a lone pair?
What is the shape of amines due to the presence of a lone pair?
What is the result of replacing one or more hydrogen atoms of ammonia with an alkyl group?
What is the result of replacing one or more hydrogen atoms of ammonia with an alkyl group?
What is the hybridization of nitrogen in amines according to VSEPR theory?
What is the hybridization of nitrogen in amines according to VSEPR theory?
What is the primary reason for the difference in the C-N-H angle of amines compared to tetrahedral geometry?
What is the primary reason for the difference in the C-N-H angle of amines compared to tetrahedral geometry?
What is the main application of amines?
What is the main application of amines?
What is the result of heating haloalkanes with a concentrated solution of ammonia in ethanol?
What is the result of heating haloalkanes with a concentrated solution of ammonia in ethanol?
What is the pKb value of primary and secondary amines?
What is the pKb value of primary and secondary amines?
What is the limitation of the Gabriel phthalimide synthesis?
What is the limitation of the Gabriel phthalimide synthesis?
What is the type of amines that can be prepared by the reduction of nitriles?
What is the type of amines that can be prepared by the reduction of nitriles?
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