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What is the decreasing order of basicity of primary, secondary and tertiary ethylamines and NH3 ?  [1994]
  • a)
    NH3 > C2H5NH2 > (C2H5)2NH >(C2H5)3N
  • b)
    (C2H5)3N > (C2H5)2NH >C2H5NH2 > NH3
  • c)
    (C2H5)2NH > C2H5NH2 >(C2H5)3N > NH3
  • d)
    (C2H5 )2NH > (C2H5 )3N >C2H5NH2 > NH3.
Correct answer is option 'D'. Can you explain this answer?
Verified Answer
What is the decreasing order of basicity of primary, secondary and ter...
All aliphatic amines are stronger bases than NH3 and among different ethylamines order of basictity is 2° > 3° > 1°. Thus, the correct order is (d) i.e.,
This anomolous behaviour of tertiary ethyl amine is due to steric factors i.e., crowding of alkyl groups cover nitrogen atom from all sides and thus makes the approach and bonding by a lewis acid relatively difficult which results the maximum steric strain in tertiary amines. The electrons are there but the path is blocked resulting the reduction in its basicity.
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Most Upvoted Answer
What is the decreasing order of basicity of primary, secondary and ter...
B) Primary ethylamine (CH3CH2NH2)
c) Secondary ethylamine (CH3CH2NHCH3)
d) Tertiary ethylamine (CH3CH2N(CH3)2)
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What is the decreasing order of basicity of primary, secondary and tertiary ethylamines and NH3 ? [1994]a)NH3 > C2H5NH2 > (C2H5)2NH >(C2H5)3Nb)(C2H5)3N > (C2H5)2NH >C2H5NH2 > NH3c)(C2H5)2NH > C2H5NH2 >(C2H5)3N > NH3d)(C2H5 )2NH > (C2H5 )3N >C2H5NH2 > NH3.Correct answer is option 'D'. Can you explain this answer? for Class 12 2025 is part of Class 12 preparation. The Question and answers have been prepared according to the Class 12 exam syllabus. Information about What is the decreasing order of basicity of primary, secondary and tertiary ethylamines and NH3 ? [1994]a)NH3 > C2H5NH2 > (C2H5)2NH >(C2H5)3Nb)(C2H5)3N > (C2H5)2NH >C2H5NH2 > NH3c)(C2H5)2NH > C2H5NH2 >(C2H5)3N > NH3d)(C2H5 )2NH > (C2H5 )3N >C2H5NH2 > NH3.Correct answer is option 'D'. Can you explain this answer? covers all topics & solutions for Class 12 2025 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for What is the decreasing order of basicity of primary, secondary and tertiary ethylamines and NH3 ? [1994]a)NH3 > C2H5NH2 > (C2H5)2NH >(C2H5)3Nb)(C2H5)3N > (C2H5)2NH >C2H5NH2 > NH3c)(C2H5)2NH > C2H5NH2 >(C2H5)3N > NH3d)(C2H5 )2NH > (C2H5 )3N >C2H5NH2 > NH3.Correct answer is option 'D'. Can you explain this answer?.
Solutions for What is the decreasing order of basicity of primary, secondary and tertiary ethylamines and NH3 ? [1994]a)NH3 > C2H5NH2 > (C2H5)2NH >(C2H5)3Nb)(C2H5)3N > (C2H5)2NH >C2H5NH2 > NH3c)(C2H5)2NH > C2H5NH2 >(C2H5)3N > NH3d)(C2H5 )2NH > (C2H5 )3N >C2H5NH2 > NH3.Correct answer is option 'D'. Can you explain this answer? in English & in Hindi are available as part of our courses for Class 12. Download more important topics, notes, lectures and mock test series for Class 12 Exam by signing up for free.
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