List of top Questions asked in KCET- 2025

The group reagent NH\(_4\)Cl (s) and aqueous NH\(_3\), will precipitate which of the following ion
Catalysts are used to increase the rate of a chemical reaction. Because it
Among the following 0.1 m aqueous solutions, which one will exhibit the lowest boiling point elevation, assuming complete ionization of the compounds in solution?

Match List-I with List-II and choose the correct answer from the options given below. 

Variation of solubility with temperature \(T\) for a gas in liquid is shown by the following graphs. The correct representation is 

In the titration of potassium permanganate (KMnO\(_4\)) against Ferrous ammonium sulphate (FAS) solution, dilute sulphuric acid but not nitric acid is used to maintain acidic medium, because
Which of the following statements are true about \( [NiCl_4]^{2-} \)?
(a) The complex has tetrahedral geometry.
(b) Co-ordination number of Ni is 2 and oxidation state is +4.
(c) The complex is sp\(^3\) hybridised.
(d) It is a high spin complex.
(e) The complex is paramagnetic.
In the following pairs, the one in which both transition metal ions are colourless is
A ligand which has two different donor atoms and either of the two ligates with the central metal atom/ion in the complex is called
Which formula and its name combination is incorrect?

In the complex ion  Fe(C2O4)3  the Co-ordination number of Fe is

The change in hybridisation (if any) of the 'Al' atom in the following reaction is
AlCl3 + Cl- → AlCl4-
Phenol can be distinguished from propanol by using the reagent
The number of orbitals associated with 'N' shell of an atom is
Given below are two statements.
In which of the following pairs, both the elements do not have \( (n-1)d^{10}ns^2 \) configuration?

Given below are the atomic masses of the elements: 

Which of the following doesn't form triad? 
 

The correct sequence of \(\alpha\)-amino acid, hormone, vitamin, carbohydrates respectively is
Which one of the following reactions has
\(\Delta H = \Delta U\)?

Match List-I with List-II for the following reaction pattern: \[ \text{Glucose} \quad \text{Reagent} \quad \rightarrow \quad \text{Product} \quad \rightarrow \quad \text{Structural prediction} \] 

 

Match the following with their pKa values 

According to Le Chatelier's principle, in the reaction \( \text{CO}(g) + 3\text{H}_2(g) \rightleftharpoons \text{CH}_4(g) + \text{H}_2\text{O}(g) \), the formation of methane is favoured by
In the preparation of sodium fusion extract, the purpose of fusing organic compound with a piece of sodium metal is to
Identify the incorrect statements among the following:

Match List-I with List-II and select the correct option: