CUET · CHEMISTRY · PYQ PAPER 2023
Which of the following amines can be prepared by Gabriel synthesis ?
(A) Isobutyl amine
(B) 2-Phenyl ethylamine
(C) N-Methyl benzyl amine
(D) Aniline
Choose the correct answer from the options given below:
- A (A), (B) only
- B (C), (D) only
- C (A), (C) only
- D (B), (D) only
Answer & Solution
Correct Answer
(A) (A), (B) only
Step-by-step Solution
Detailed explanation
Isobutyl amine (primary): Yes. 2-Phenyl ethylamine (primary): Yes. N-Methyl benzyl amine (secondary): No. Aniline (aromatic): No. Answer: (A), (B) only
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
- Unit of rate constant for sero order reaction is:CUET 2023 Easy
- Fructose is a ketohexose. The keto group is positioned at which carbon:CUET 2025 Hard
- For a particular reaction taking place at \(\text{T} = 300 \text{ K}\), \(\text{E}_a= 300 \text{ kJ/mol}\) and \(\text{log k} = -3.45\); calculate the temperature at which the rate constant becomes 4 times that of k. (Given \(\text{log } 2 = 0.3010\))CUET 2023 Easy
- Consider the following reaction:
\(Ph-CH(Cl)-CH_3 \xrightarrow[\Delta]{\text{ alc. } KCN}\text {?}\)
The product formed is:CUET 2023 Medium - Isopropylbromide reacts with silver nitrite to form major product asCUET 2025 Easy
- Match List-l with List-II
Choose the correct answer from the options given below :List-l (Solutions) List-II (Explanation) (A) Saturated solution (I) Solution having two components. (B) Isotonic solutions (II) A solution whose osmotic pressure is more than that of another. (C) Binary solution (III) A solution which contains the maximum amount of solute that can be dissolved in a given amount of solvent at a given temperature. (D) Hypertonic solution (IV) The solutions having same osmotic pressure at a given temperature. CUET 2025 Medium
More PYQs from CUET
- If the order of matrix \(A\) is \(4 \times 3\), order of matrix \(B\) is \(4 \times 5\) and order of matrix \(C\) is \(5 \times 3\), then the order of matrix \((B \cdot C) A^{\prime}\) is :CUET 2023 Easy
- Match List - I with List - II
List - I List - II (A) Impurity defect (I) NaCl with anionic sites called F centres (B) Metal excess defect (II) FeO with Fe3+ (C) Metal deficiency defect (III) Non ionic solids and density of solid decreases (D) Simple vacancy defect (IV) NaCl with Sr2+ and cationic sites vacant
Choose the correct answer from the options given below:CUET 2023 Medium - Read the passage carefully and answer the following questions
Aldehydes, carboxylic acids and ketones are widespread in the animal and plant kingdoms. They play a pivotal role in various biochemical processes of life. Their presence in nature adds fragrance and flavor. These compounds are widely used in food products, pharmaceuticals, paints, resins and other important product industries. These compounds are prepared by various laboratory methods, which mainly include oxidation, formylation, acylation and reduction. Due to the polar nature of the carbonyl group in aldehydes and ketones, they can exhibit different reactions like nucleophilic addition. They do exhibit redox and various condensation reactions which lead to the formation of various important compounds. On the other hand, the carboxylic acids are mainly prepared by oxidation and hydrolysis of different compounds. The carboxylic acid consists of a carbonyl group and the hydroxy group (attached to the carbonyl carbon atom). This makes it possible for the carboxylic acid to participate in various chemical reactions which involve cleavage of the C-OH bond and the O-H bond along with the reactions involving the complete - COOH group.
Identify the incorrect statement for Cannizaro reaction.CUET 2025 Medium - The first clinical gene therapy was given in 1990 to a 4-year-old girl with ___________ .CUET 2023 Easy
- The value of \(\tan ^2\left(\sec ^{-1} 2\right)+\cot ^2\left(\operatorname{cosec}^{-1} 3\right)\) is:CUET 2023 Easy
- Arrange the following steps of replication of retrovirus in correct sequence
A. Incorporation of viral DNA into host genome.
B. Formation of viral DNA by reverse transcription.
C. Infection of normal cell by virus and introduction of viral RNA into host
D. Production of new viral RNA by infected cells.
Choose the correct answer from the options given below:CUET 2023 Hard