List of top Chemistry Questions asked in KCET

Which formula and its name combination is incorrect?
The change in hybridisation (if any) of the 'Al' atom in the following reaction is
AlCl3 + Cl- → AlCl4-

Match the following with their pKa values 

For a given half cell, \( \text{Al}^{3+} + 3e^- \rightarrow \text{Al} \) on increasing the concentration of aluminium ion, the electrode potential will
Which of the following reagents are suitable to differentiate Aniline and N-methylaniline chemically?
Which of the following reaction/s does not yield an amine?
Which examples of carbohydrates exhibit \(\alpha\)-link (\(\alpha\)-glycosidic link) in their structure?

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

Match the following and select the correct option for the quantity of electricity, in Cmol\(^{-1}\), required to deposit various metals at the cathode.
A member of the Lanthanoid series which is well known to exhibit +4 oxidation state is
The electronic configuration of X and Y are given below:
X: 1s22s22p63s23p3
Y: 1s22s22p63s23p5
Which of the following is the correct molecular formula and type of bond formed between X and Y?
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
Given below are two statements.
In the reaction between hydrogen sulphide and acidified permanganate solution,

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

Which of the following statements is/are true about equilibrium?
Identify the incorrect statements among the following:
In the following pairs, the one in which both transition metal ions are colourless is
In which of the following pairs, both the elements do not have \( (n-1)d^{10}ns^2 \) configuration?

Match the compounds given in List-I with the items given in List-II

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

Half-life of a first order reaction is 20 seconds and initial concentration of reactant is 0.2M. The concentration of reactant left after 80 seconds is
The group reagent NH\(_4\)Cl (s) and aqueous NH\(_3\), will precipitate which of the following ion
If \(N_2\) gas is bubbled through water at 293 K, how many moles of \(N_2\) gas would dissolve in 1 litre of water? Assume that \(N_2\) exerts a partial pressure of 0.987 bar. [Given \(K_H\) for \(N_2\) at 293 K is 76.48 K bar]
According to the Heisenberg's Uncertainty principle, the value of \(\Delta v \cdot \Delta x\) for an object whose mass is \(10^{-6}\) kg is