CUET · CHEMISTRY · PYQ PAPER 2023
The substance having the same value of van't Hoff factor as that of \(K_4[Fe(CN)_6]\) is :
- A \(AlCl_3\)
- B \(AlN\)
- C \(AlF_3\)
- D \(Al_2(SO_4)_3\)
Answer & Solution
Correct Answer
(D) \(Al_2(SO_4)_3\)
Step-by-step Solution
Detailed explanation
\(K_4[Fe(CN)_6] \rightarrow 4K^+ + [Fe(CN)_6]^{4-}\) \(i = 4 + 1 = 5\) \(Al_2(SO_4)_3 \rightarrow 2Al^{3+} + 3SO_4^{2-}\) \(i = 2 + 3 = 5\)
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
- Which of the following is the correct statement?
A. The solubility of gases in liquids increases with a decrease of pressure.
B. If the dissolution process is endothermic, the solubility should increase with a rise in temperature.
C. If the dissolution process is endothermic, the solubility should decrease with a rise in temperature.
D. If the dissolution process is exothermic, solubility will not change with a increase in temperature.
E. If the dissolution process is exothermic, solubility should increase with an increase in temperature.
Choose the correct answer from the options given below :CUET 2023 Easy - Arrange the following amines in increasing order of basicity in aqueous solution
(A)\(\left( CH _3\right)_2 NH\)
(B) \(CH _3 NH _2\)
(C)\(\left( CH _3\right)_3 N\)
(D) \(NH _3\)
Choose the correct answer from the options given below :CUET 2025 Hard - In inorganic salt analysis, for the indicatory test of \(Cl^-\), conc. \(H_2SO_4\) is used. This is because:CUET 2023 Hard
- The reaction of neutral \(M n O 4 ^{ \wedge }\) - and \(I ^{ \wedge }\) - givesCUET 2023 Easy
- \(\text{[NiCl}_2\text{(PPh}_3)_2\text{]}\) is named as :CUET 2023 Easy
- Read the Passage carefully and answer the Questions
Kinetic studies not only help us to determine the rate of a chemical reaction but also describe the conditions by which the reaction rates can be altered. The factors such as concentration, temperature, pressure and catalyst affect the rate of a reaction.
The speed of a reaction or the rate of a reaction can be defined as the change in concentration of a reactant or product in unit time.
Rate \(=k[A]^x[B]^y\)
Here \(k\) is the rate constant
\(x+y\) gives the overall order of a reaction, whereas \(x\) and \(y\) represent the order with respect to the reactants \(A\) and \(B\), respectively.
Which of the following statements are correct?
(A) Catalysts increase the rate of a chemical reaction.
(B) Catalysts can catalyze both spontaneous and non-spontaneous reactions.
(C) Higher the activation energy for a chemical reaction, lower is the rate of the reaction.
(D) Catalyst increases the potential energy barrier.
Choose the correct answer from the options given below:CUET 2025 Easy
More PYQs from CUET
- A lens is formed by placing the plane faces of two identical plano-convex lenses (each of focal length 40 cm) touching each other. It is used to obtain a real, inverted image of the same size as the object. The distance of the object from the lens is:CUET 2023 Easy
- If the wavelength of an electromagnetic radiation is doubled, the energy of the photons would beCUET 2025 Easy
- The integral \(\int e^x\left(\log x+\frac{1}{x^2}\right) d x\) equals for some arbitrary constant kCUET 2023 Hard
- The correct sequence of reactions to convert benzene to 3-bromobenzamine is :CUET 2023 Hard
- Identify the statements which are true with respect to colour blindness
A. Sex-linked recessive disorder
B. Sufferers are unable to differentiate between red or green colour
C. It occurs in 8% males and 0.4% females.
D. The defect is due to the mutation in genes present on 'Y' chromosome
Choose the correct answer from the options given below:CUET 2023 Medium - Let L be the set of all lines in a plane and R be the relation on set L defined by \(R=\left\{\left(L_1, L_2\right) : L_1 \perp L_2\right\}\). Then R is
(A) an equivalence Relation
(B) a symmetric Relation
(C) not a transitive Relation
(D) a reflexive Relation
Choose the correct answer from the options given below :CUET 2025 Medium