List of practice Questions

Statement-I: Reduction of ester by DIBAL-H followed by hydrolysis gives aldehyde.
Statement-II: Oxidation of benzyl alcohol with aqueous KMnO₄ leads to the formation of benzaldehyde.
Among the above statements, identify the correct statement.
Arrange the following compounds in their decreasing order of reactivity towards nucleophilic addition reaction.
Which of the following has the most acidic Hydrogen?
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?
Ethyl alcohol is heated with concentrated sulphuric acid at 413 K (140°C). The major product formed is
Phenol can be distinguished from propanol by using the reagent
Oxidation of Toluene with chromyl chloride followed by hydrolysis gives Benzaldehyde. This reaction is known as
In the preparation of sodium fusion extract, the purpose of fusing organic compound with a piece of sodium metal is to
The sodium fusion extract is boiled with concentrated nitric acid while testing for halogens. By doing so, it
The IUPAC name of the given organic compound is HC \( \equiv \) C - CH = CH - CH\(_2\).
The correct sequence of \(\alpha\)-amino acid, hormone, vitamin, carbohydrates respectively 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
The group reagent NH\(_4\)Cl (s) and aqueous NH\(_3\), will precipitate which of the following ion
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 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.
Which formula and its name combination is incorrect?
In the reaction between hydrogen sulphide and acidified permanganate solution,

The table below is an attribute table about employee records. Which attribute can be used as a primary key?

EmployeeNameDesignationDepartment
(Emp_ID)(Emp_Name)(Emp_Desig)(Emp_Dept)
100260PrashantSoftware DeveloperInformation Technology
100265DineshJunior EngineerEmbedded System
100252SomyaHR ManagerManagement
100271DineshJunior EngineerInformation Technology

 

Which one of the following statements is NOT correct in the context of Geographic Information System?
In the choke ring antenna there are concentric cylinders placed around the antenna that are of a certain depth to minimize the multipath effect. If the signal wavelength is \( \lambda \), then the depth of the cylinders in the choke ring antenna should be
In the context of Global Navigation Satellite System positioning, which of the following statement is correct?

In the context of Global Navigation Satellite System positioning, the Saastamoinen model provides a correction for ____________

If the emissivity of an object varies with wavelength, it is called as __________

Clouds appear white in optical visible spectral bands of remote sensing images due to _________ scattering.