JEE Mains · Chemistry · STD 12 -8.1. Aldehydes and ketones
The major product of the following reaction is \(R - C \equiv N\xrightarrow[{(2)\,{H_2}O}]{{(1)\,AlH\,{{(i - Bu)}_2}}}\) ?
- A \(RCOOH\)
- B \(RCONH_2\)
- C \(RCHO\)
- D \(RCH_2NH_2\)
Answer & Solution
Correct Answer
(C) \(RCHO\)
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
- \(6\, litres\) of an alkene require \(27\, litres\) of oxygen at constant temperature and pressure for complete combustion. The alkene is.....JEE Mains 2013 Hard
- The common positive oxidation states for an element with atomic number \(24,\) are :JEE Mains 2021 Easy
- The major product obtained in the following reaction is :
JEE Mains 2017 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
- Given below are two statements: one is labelled as Assertion \(A\) and the other is labelled as Reason \(R.\) Assertion \(A:\) \(3.1500\,g\) of hydrated oxalic acid dissolved in water to make \(250.0\,mL\) solution will result in \(0.1\,M\) oxalic acid solution. Reason \(R:\) Molar mass of hydrated oxalic acid is \(126\,g\,mol ^{-1}\). In the light of the above statements, chose the correct answer from the options given below:JEE Mains 2023 Medium
- Given below are two statements. One is labelled as Assertion A and the other is labelled as Reason \(R\). Assertion \(A\) :\([6]\) Annulene.\([8]\) Annulene and cis - \([10]\) Annulene, are respectively aromatic, not-aromatic and aromatic. Reason \(R\) : Planarity is one of the requirements of aromatic systems. In the light of the above statements, choose the most appropriate answer from the options given below.
JEE Mains 2022 Hard
More PYQs from JEE Mains
- Three bodies \(A, B\) and \(C\) have equal kinetic energies and their masses are \(400 \mathrm{~g}, 1.2 \mathrm{~kg}\) and \(1.6 \mathrm{~kg}\) respectively. The ratio of their linear momenta is _______.JEE Mains 2024 Hard
- If the sum of the coefficients of all the positive powers of \(x\), in the binomial expansion of \(\left(x^{n}+\frac{2}{x^{5}}\right)^{7}\) is \(939 ,\) then the sum of all the possible integral values of \(n\) isJEE Mains 2022 Hard
- If a rectangle is inscribed in an equilateral triangle of side length \(2 \sqrt{2}\) as shown in the figure, then the square of the largest area of such a rectangle is \(....\)
JEE Mains 2021 Hard - Let the observations \(\mathrm{x}_{\mathrm{i}}(1 \leq \mathrm{i} \leq 10)\) satisfy the equations, \(\sum\limits_{i=1}^{10}\left(x_{i}-5\right)=10\) and \(\sum\limits_{i=1}^{10}\left(x_{i}-5\right)^{2}=40\) If \(\mu\) and \(\lambda\) are the mean and the variance of the observations, \(\mathrm{x}_{1}-3, \mathrm{x}_{2}-3, \ldots ., \mathrm{x}_{10}-3,\) then the ordered pair \((\mu, \lambda)\) is equal to :JEE Mains 2020 Hard
- The one that does not stabilize \(2^{\circ}\) and \(3^{\circ}\) structures of proteins isJEE Mains 2023 Medium
- If \(x=\sum \limits_{n=0}^{\infty} a^{n}, y=\sum\limits_{n=0}^{\infty} b^{n}, z=\sum\limits_{n=0}^{\infty} c^{n}\), where \(a , b , c\) are in \(A.P.\) and \(|a| < 1,|b| < 1,|c| < 1\), \(abc \neq 0\), thenJEE Mains 2022 Medium