enEnglishguગુજરાતી
JEE Mains · Chemistry · STD 11 - 8.4. Organic chemistry reaction mechanism
Match List \(I\) with List \(II\)
| List \(I\) (Amines) | List \(II\) \(\left( pK _{ b }\right)\) |
| \(A\) Aniline | \(I\) \(3.25\) |
| \(B\) Ethanamine | \(II\) \(3.00\) |
| \(C\) \(N-\)Ethylethanamine | \(III\) \(9.38\) |
| \(D\) \(N, N-\)Diethylethanamine | \(IV\) \(3.29\) |
- A \(A-I, B-IV, C-II, D-III\)
- B \(A-III, B-II, C-I, D-IV\)
- C \(A-III, B-II, C-IV, D-I\)
- D \(A-III, B-II, C-IV, D-I\)
Answer & Solution
Correct Answer
(D) \(A-III, B-II, C-IV, D-I\)
Step-by-step Solution
Detailed explanation
Basic Strength \(\alpha \frac{1}{ pK _{ b }}\) Order for \(pK _{ b }: A > B > D > C\)
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
- The number of orbitals with \(n =5, m _{l}=+2\) is ...... . (Round off to the Nearest Integer)JEE Mains 2021 Medium
- A mixture of \(1\) mole of \(H _2 O\) and \(1\) mole of \(CO\) is taken in a \(10\) litre container and heated to \(725\,K\). At equilibrium \(40 \%\) of water by mass reacts with carbon monoxide according to the equation : \(CO ( g )+ H _2 O ( g ) \rightleftharpoons CO _2( g )+ H _2( g )\) The equilibrium constant \(K _{ C } \times 10^2\) for the reaction is \(.......\) (Nearest integer)JEE Mains 2023 Medium
- A system does \(200\,J\) of work and at the same time absorbs \(150 \,\mathrm{~J}\) of heat. The magnitude of the change in internal energy is \(.....\,J.\) (Nearest integer)JEE Mains 2021 Medium
- Following figure shows spectrum of an ideal black body at four different temperatures. The number of correct statement/s from the following is \(..............\). \(A\). \(T _4 > T _3 > T _2 > T _1\) \(B.\) The black body consists of particles performing simple harmonic motion. \(C.\) The peak of the spectrum shifts to shorter wavelength as temperature increases. \(D.\) \(\frac{ T _1}{ v _1}=\frac{ T _2}{ v _2}=\frac{ T _3}{ v _3} \neq\) constant \(E.\) The given spectrum could be explained using quantisation of energy.
JEE Mains 2023 Hard - Which of the following species is not paramagnetic ?JEE Mains 2017 Hard
- Given \(F{e^{ + 3}}\left( {aq} \right) + {e^ - } \to F{e^{2 + }}\left( {aq} \right);{E^o} = + 0.77\,V\) \(A{l^{ + 3}}\left( {aq} \right) + 3{e^ - } \to Al\left( s \right);{E^o} = - 1.66\,V\) \(B{r_2}\left( {aq} \right) + 2{e^ - } \to 2B{r^ - };{E^o} = + 1.09\,V\) Considering the electrode potentials, which of the following represents the correct order of reducing power?JEE Mains 2014 Hard
More PYQs from JEE Mains
- The area of the region bounded by the curve \(y=\max \{|x|, x|x-2|\}\), then \(x\)-axis and the lines \(x=-2\) and \(x=4\) is equal to _______ .JEE Mains 2025 Easy
- All possible values of \(\theta \in[0,2 \pi]\) for which \(\sin 2 \theta+\tan 2 \theta>0\) lie inJEE Mains 2021 Hard
- A satellite is in an elliptical orbit around a planet \(P.\) It is observed that the velocity of the satellite when it is farthest from the planet is \(6\) time less than that when it is closest to the planet. The ratio of distances between the satellite and the planet at closest and farthest points is\(......\)JEE Mains 2020 Medium
- Let \(z = a +i b , b \neq 0\) be complex numbers satisfying \(z ^{2}=\overline{ Z } \cdot 2^{1-|z|}\). Then the least value of \(n\) \(\in N\), such that \(z ^{ n }=( z +1)^{ n }\), is equal to.JEE Mains 2022 Hard
- Light emerges out of a convex lens when a source of light kept at its focus. The shape of wavefront of the light is _______.JEE Mains 2024 Hard
- A body of mass \(1 kg\) begins to move under the action of a time dependent force \(\vec{F}=\left(t \hat{i}+3 t^2 \hat{ j }\right) N\). where \(\hat{i}\) and \(\hat{j}\) are the unit vectors along \(x\) and \(y\) axis. The 10.Power developed by above force, at the time \(t=2 s\). will be \(..............W\).JEE Mains 2023 Medium