CUET · CHEMISTRY · PYQ PAPER 2023
Pick the incorrect statement about aniline.
- A Forms zwitter ion when heated with concentrated \(\text{H}_2\text{SO}_4\).
- B Does undergo alkylation or acylation.
- C Undergoes diazotisation.
- D Produces foul smell when heated with chloroform and ethanolic \(\text{KOH}\).
Answer & Solution
Correct Answer
(A) Forms zwitter ion when heated with concentrated \(\text{H}_2\text{SO}_4\).
Step-by-step Solution
Detailed explanation
No Solution
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
- Addition of HCN to carbonyl group results in formation of:CUET 2023 Hard
- Least basic compound among the following would be:CUET 2023 Medium
- The sweet smelling compound \(\text{[D]}\) is:
(1) Acid anhydride
(2) Acyl halide
(3) Aldehyde
(4) Ester
Explanation: The reaction between a carboxylic acid and an alcohol in the presence of acid
is Esterification. The product \(\text{[D]}\) is Methyl Acetate, which is an \textbf{Ester}.
Answer: (4)CUET 2023 Hard - Zone refining is mainly used for :CUET 2023 Hard
- A compound is formed by two elements P and Q. Atoms of the element Q (anions) make hcp lattice and those of element P (cations) occupies \(\frac{1}{8}\)th of the tetrahedral voids. What is the formula of the compound?CUET 2023 Easy
- Arrange the following compounds in the decreasing order of their boiling points:
(A) Butyraldehyde
(B) n-Butyl alcohol
(C) Sec-butyl alcohol
(D) n-butane
Choose the correct answer from the options given below:CUET 2025 Hard
More PYQs from CUET
- Two tailors A and B earn ₹150 and ₹200 per day respectively. A can stitch 6 shirts and 4 pants per day, while B can stitch 10 shirts and 4 pants per day. If the tailors A and B work for x and y days respectively. To maximize the earning for producing at least 60 shirts and 32 pants, the LPP is:CUET 2023 Easy
- If the work function of a target is 1.25 eV and the wavelength of incident radiation is 2460 \( \text{\AA} \), the stopping potential required to stop the emitted electrons is :
Given : \( h = 6.6 \times 10^{-34} \text{ Js} \)CUET 2025 Hard - A function \(f: R \rightarrow\{x \in R:-1< x<1\}\) is defined as \(f(x)=\frac{x}{1+|x|}\), then \(f\) is :CUET 2025 Easy
- A uniform metallic wire of resistance \(4 \Omega\) is bent to form a circle. What is the effective resistance between the end of its diameter?CUET 2023 Hard
- Given below are some statements which should be followed to avoid sexually transmitted infections.
Which of the following are correct?
(A) Avoid sex with unknown partners/multiple partners.
(B) Always use medicated IUDs during coitus.
(C) In case of doubt always consult a qualified doctor and get complete treatment if diagnosed infection.
(D) Adopt natural methods of contraception during coitus.
(E) Use of oral pills before coitus.
Choose the correct answer from the options given below:CUET 2023 Easy - Elements of group-15, 16 and 17 form compounds with hydrogen with general formula MH3, \(H 2 M\) and HX (called hydrogen halides). Stability of these hydrides, along with M-H bond strength and basic nature decreases down the group. Boiling point of these hydrides mainly depends on the strength of their inter molecular forces.
Bond angle (HMH) among hydrides of group-16 decreases down the group because:CUET 2023 Easy