JEE Mains · Chemistry · STD 12 - 9. Amines
Identify \(B\) formed in the reaction. \(\begin{array}{l} Cl -\left( CH _2\right)_4- Cl \xrightarrow{\text { excess } NH _3} A \xrightarrow{ NaOH } \\ B + H _2 O + NaCl\end{array}\)
- B \( \mathrm{H}_2 \mathrm{~N}-\left(\mathrm{CH}_2\right)_4-\mathrm{NH}_2 \)
- C \( {\mathrm{Cl}} N^+ \mathrm{H}_3-\left(\mathrm{CH}_2\right)_4-\stackrel{+}{\mathrm{N}} \mathrm{H}_3 \mathrm{Cl}^{-}\)
Answer & Solution
Correct Answer
(B) \( \mathrm{H}_2 \mathrm{~N}-\left(\mathrm{CH}_2\right)_4-\mathrm{NH}_2 \)
Step-by-step Solution
Detailed explanation
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
- Amongst the following alcohols which would react fastest with conc. \(HCl\) and \(ZnCl_2\) ?JEE Mains 2013 Hard
- Match the LIST-I with LIST-II
LIST-I (Molecules/ion) LIST-II (Hybridisation of central atom) A. \(PF _5\) I. \(dsp ^2\) B. \(SF _6\) II. \(sp ^3 d\) C. \(Ni ( CO )_4\) III. \(sp ^3 d^2\) D. \(\left[ PtCl _4\right]^{2-}\) IV. \(sp ^3\)
Choose the correct answer from the options given belowJEE Mains 2025 Medium - Identify the diamagnetic octahedral complex ions from below ;
A. \(\left[\mathrm{Mn}(\mathrm{CN})_6\right]^{3-}\)
B. \(\left[\mathrm{Co}\left(\mathrm{NH}_3\right)_6\right]^{3+}\)
C. \(\left[\mathrm{Fe}(\mathrm{CN})_6\right]^{4-}\)
D. \(\left[\mathrm{Co}\left(\mathrm{H}_2 \mathrm{O}\right)_3 \mathrm{~F}_3\right]\)
Choose the correct answer from the options given below :JEE Mains 2025 Hard - \(A \rightarrow B\) The rate constants of the above reaction at \(200 \,K\) and \(300 \,K\) are \(0.03 \,min ^{-1}\) and \(0.05 \,min ^{-1}\) respectively. The activation energy for the reaction is \(....J\) (Nearest integer) (Given : In \(10=2.3\) \(R =8.3\,J\,K ^{-1}\, mol ^{-1}\) \(\log 5=0.70\) \(\log 3=0.48\) \(\log 2=0.30\)JEE Mains 2023 Medium
- Pair of transition metal ions having the same number of unpaired electrons is _______.JEE Mains 2025 Medium
- The incorrect postulates of the Dalton's atomic theory are : \((A)\) Atoms of different elements differ in mass. \((B)\) Matter consists of divisible atoms. \((C)\) Compounds are formed when atoms of different element combine in a fixed ratio. \((D)\) All the atoms of given element have different properties including mass. \((E)\) Chemical reactions involve reorganisation of atoms. Choose the correct answer from the options given below :JEE Mains 2024 Hard
More PYQs from JEE Mains
- Correct Bernoulli's equation is _______. (symbols have their usual meaning)JEE Mains 2024 Hard
- If \(2x = {y^{\frac{1}{5}}} + {y^{ - \frac{1}{5}}}\) and \((x^2 -1) \frac{{{d^2}y}}{{d{x^2}}} + \lambda x\frac{{dy}}{{dx}} + ky = 0\) , then \( \lambda + k\) is equal toJEE Mains 2017 Hard
- If the distance of the point \(P(43, \alpha, \beta), \beta<0\), from the line \(\vec{r}=4\hat{i}-\hat{k}+\mu(2\hat{i}+3\hat{k}), \mu\in R\) along a line with direction ratios \(3, -1, 0\) is \(13\sqrt{10}\), then \(\alpha^{2}+\beta^{2}\) is equal to ___ .JEE Mains 2026 Medium
- Given below are two statements: one is labelled as Assertion \(A\) and the other is labelled as Reason \(R\). Assertion \(A :\) An electron microscope can achieve better resolving power than an optical microscope. Reason \(R\) : The de Broglie's wavelength of the electrons emitted from an electron gun is much less than wavelength of visible light. In the light of the above statements, choose the correct answer from the options given belowJEE Mains 2021 Medium
- Given below are two statements: Statement \(I :\) A mixture of chloroform and aniline can be separated by simple distillation. Statement \(II :\) When separating aniline from a mixture of aniline and water by steam distillation aniline boils below its boiling point. In the light of the above statements, choose the most appropriate answer from the options given below.JEE Mains 2021 Easy
- Let \(ABC\) be a triangle whose circumcentre is at \(P\).If the position vectors \(A, B, C\) and \(P\) are \(\vec a,\vec b,\vec c\) and \(\frac{{\vec a + \vec b + \vec c}}{4}\) respectivey, then the position vector of the orthocentre of this triangle, isJEE Mains 2016 Hard