CUET · CHEMISTRY · PYQ PAPER 2025
The correct decreasing order of basic strength of following amines in aqueous medium is.
(A) \((C_2H_5)_3N\)
(B) \((C_2H_5)_2NH\)
(C) \(C_2H_5NH_2\)
(D) \(NH_3\)
Choose the \textbf{correct} answer from the options given below:
- A (B), (A), (C), (D)
- B (A), (B), (C), (D)
- C (B), (C), (A), (D)
- D (C), (A), (D), (B)
Answer & Solution
Correct Answer
(C) (B), (C), (A), (D)
Step-by-step Solution
Detailed explanation
\((C_2H_5)_2NH > C_2H_5NH_2 > (C_2H_5)_3N > NH_3\) (B), (C), (A), (D)
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
- A solution contains \(5 0 ~ g\) of a non-electrolytic solute per \(1 0 0 g\) of water at \(2 5 ^{ \circ } C\). The vapor pressure of water is \(2 3 . 5 m m H g\) at this temperature. The molar mass of the solute is \(2 5 0 ~ g ~ m o l ^{-1}\). The vapor pressure of the solution at \(2 5 ^{ \circ } C\) will beCUET 2025 Medium
- Total number of isomers for the complex \([\text{FeCl}_2 (\text{C}_2\text{O}_4)_2]^{4-}\) is:CUET 2023 Medium
- The rate of a first order reaction at a constant temperatureCUET 2025 Medium
- Which of the following vitamins is soluble in water?CUET 2025 Hard
- Match List-I With List-II
Choose the correct answer from the options below:LISt – I (Solution) LIST – II (Properties) (A) Phenol and aniline (I) Minimum boiling azeotrope (B) Nitric acid and water (II) Maximum boiling azeotrope (C) Ethanol and water (III) Hydrogen bonding (D) Benzene and toluene (IV) Ideal solution CUET 2025 Medium - (a) \(Ni ( CO )_4\), (b) \(\left[ Ni ( CN )_4\right]^{2-}\) and (c) \(\left[ Pt \left( NH _3\right)_2 Cl _2\right.\) are respectively complexes.CUET 2025 Hard
More PYQs from CUET
- Which of the following statements are correct with respect to T.H. Morgan?
(A) His experiment led to discovering the basis for the variation that sexual reproduction produced.
(B) He mapped the position of genes on the chromosomes.
(C) He coined the term linkage.
(D) He crossed yellow-bodied, white-eyed Drosophila females to brown-bodied red-eyed Drosophila males and observed the results contrary to that of Mendel's.
Choose the correct answer from the options given below:CUET 2025 Medium - If the height of the TV tower is increased by 21%, then by what percentage will the transmission range of the tower be affected ?CUET 2023 Hard
- In aldehydes, the carbonyl group is bonded to a carbon and hydrogen, while in ketones it is bonded to two carbon atoms. The carbonyl compounds in which carbonyl group is bonded to oxygen are known as carboxylic acid and their derivatives.
The hybridisation of the \(C\) in the carbonyl group is:CUET 2023 Easy - If \(\left[\begin{array}{ll}3 & 1 \\ 2 & 1\end{array}\right] A\left[\begin{array}{ll}2 & 1 \\ 1 & 1\end{array}\right]=\left[\begin{array}{ll}1 & 1 \\ 0 & 1\end{array}\right]\), then matrix ' \(A\) ' isCUET 2025 Hard
- A coil has a self inductance of 10 mH . The magnitude of the maximum induced emf in the coil when a current \(I=0.1 \sin 200 t\) A flows through it at a time \(t\) will be :CUET 2023 Hard
- If \(x=a \sec ^3 \theta, y=a \tan ^3 \theta\), then \(\frac{d y}{d x}\) at \(\theta=\frac{\pi}{3}\) isCUET 2025 Medium