JEE Mains · Chemistry · STD 12 - 9. Amines
In the following compounds, the decreasing order of basic strength will be
- A \(C_2H_5NH_2 > NH_3 > (C_2H_5)_2\, NH\)
- B \(NH_3 > C_2H_5 NH_2 > (C_2H_5)_2\, NH\)
- C \((C_2H_ 5)_2 NH > C_2H_5NH_2 > NH_3\)
- D \((C_2H_ 5)_2 NH > NH_3 >C_2H_5 NH_2\)
Answer & Solution
Correct Answer
(C) \((C_2H_ 5)_2 NH > C_2H_5NH_2 > NH_3\)
Step-by-step Solution
Detailed explanation
Basic strength order \((CH_3CH_2)_2NH > CH_3CH_2NH_2 > NH_3\) More the number of \(+I\) groups, higher is the basic strength.
See the Complete Solution
Get step-by-step explanations for this and 2.5 Lakh+ more JEE, NEET & CET questions.
- Unlock all solutions
- Practice the full chapter
- Track accuracy across PYQs
4.8 rated on Google Play · 14,000+ reviews
More questions from Chemistry
- Number of oxygen atoms present in chemical formula of fuming sulphuric acid is _______.JEE Mains 2024 Medium
- Consider the dissociation of the weak acid \(\mathrm{HX}\) as given below \(\mathrm{HX}(\mathrm{aq}) \rightleftharpoons \mathrm{H}^{+}(\mathrm{aq})+\mathrm{X}(\mathrm{aq}), \mathrm{Ka}=1.2 \times 10^{-5}\) \(\left[\mathrm{K}_{\mathrm{n}}:\right.\) dissociation constant] The osmotic pressure of \(0.03 \mathrm{M}\) aqueous solution of \(\mathrm{HX}\) at \(300 \mathrm{~K}\) is _______ \(\times 10^{-2}\) bar (nearest integer). \(\left[\right.\) Given : \(\mathrm{R}=0.083 \mathrm{~L} \mathrm{bar} \mathrm{Mol}^{-1} \mathrm{~K}^{-1}\) ]JEE Mains 2024 Medium
- For the cell \(Zn(s)|\,Z{n^{2 + }}(aq)\,||\,{M^x+} \,(aq)|\,M(s),\) different half cells and their standard electrode potentials are given below
If \(E_{Z{n^{2 + }}/Zn}^o = - 0.76\,V,\) which cathode will given a maximum value of \(E_{cell}^o\) per electron transferred?\(M^{x+}\, (aq)\,/M(s)\) \(A{u^{3 + }}(aq)/\) \(Au(s)\) \(A{g^ + }(aq)/\) \(Ag(s)\) \(F{e^{3 + }}(aq)/\) \(F{e^{2 + }}(aq)\) \(F{e^{2 + }}(aq)/\) \(Fe(s)\) \(E^o\,M^{x+}\) \(\,/M(V)\) \(1.40\) \(0.80\) \(0.77\) \(-0.44\) JEE Mains 2019 Hard - The covalent radii of atoms A and B are \(r_A\) and \(r_B\), respectively. The covalent bond length and total length of AB molecule are respectivelyJEE Mains 2026 Easy
- \(2.5\, g\) of protein containing only glycine \(\left( C _{2} H _{5} NO _{2}\right)\) is dissolved in water to make \(500 \,mL\) of solution. The osmotic pressure of this solution at \(300\, K\) is found to be \(5.03 \times 10^{-3}\) \(bar.\) The total number of glycine units present in the protein is \(....\) (Given : \(R =0.083\, L\, bar \,K ^{-1} \,mol ^{-1}\) )JEE Mains 2022 Hard
- The enthalpy change on freezing of \(1\, mol\) of water at \(5\,^oC\) to ice at \(-5\,^oC\) is .....\( kJ\, mol^{-1}\) (Given \({\Delta _{fus}}H = 6\, kJ\, mol^{-1}\) at \(0\,^oC\), \(C_p(H_2O, l) =75.3\, J\, mol^{-1} \, K^{-1}\) , \(C_p(H_2O, s) = 36.8\, J\, mol^{-1} \, K^{ -1}\) )JEE Mains 2017 Hard
More PYQs from JEE Mains
- ' X ' is the number of acidic oxides among \(\mathrm{VO}_2\), \(\mathrm{V}_2 \mathrm{O}_3, \mathrm{CrO}_3, \mathrm{~V}_2 \mathrm{O}_5\) and \(\mathrm{Mn}_2 \mathrm{O}_7\). The primary valency of cobalt in \(\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{NCH}_2 \mathrm{CH}_2 \mathrm{NH}_2\right)_3\right]_2\left(\mathrm{SO}_4\right)_3\) is Y. The value of \(\mathrm{X}+\mathrm{Y}\) is _______.JEE Mains 2025 Medium
- Let \(\alpha, \beta, \gamma\) be the three roots of the equation \(x ^3+ bx + c =0\). If \(\beta \gamma=1=-\alpha\), then \(b^3+2 c^3-3 \alpha^3-6 \beta^3-8 \gamma^3\) is equal to \(......\).JEE Mains 2023 Hard
- Which of the following statements/ relationships is not correct in thermodynamic changes ?JEE Mains 2013 Hard
- The number of common tangents, to the circles \(x^2+y^2-18 x-15 y+131=0\) and \(x^2+y^2-6 x-6 y-7=0\), is :JEE Mains 2023 Medium
- If the function \(f\) defined as \(f(x)\, = \frac{1}{x} - \frac{{k - 1}}{{{e^{2x}} - 1}}\) ,\(x\, \ne \,0,\) is continuous at \(x = 0.\) then the ordered pair \((k,f(0))\) is equal to?JEE Mains 2018 Hard
- The variation of molar conductivity with concentration of an electrolyte \((X)\) in aqueous solution is shown in the given figure. The electrolyte \(X\) is :
JEE Mains 2020 Medium