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By Arnav Kumar

27 February 2025

The diamagnetic species is :

By Arnav Kumar

27 February 2025

The complex ions [Co(NH3)5 (NO₂)]2+ and [Co(NH3), (ONO)]2+ are called

By Arnav Kumar

27 February 2025

The element having [Ar]3d104s¹ electronic configuration is

By Arnav Kumar

27 February 2025

The number of molecules that react with each other in an elementary reaction is a measure of the:

By Arnav Kumar

27 February 2025

Assertion (A) In a first order reaction, if the concentration of the reactant is doubled, its half-life is also doubled. Reason (R): The half-life of a reaction does not depend upon the initial concentration of the reactant in a first order reaction.

By Arnav Kumar

27 February 2025

Assertion (A): Cu cannot liberate H₂ on reaction with dilute mineral acids. Reason (R): Cu has positive electrode potential.

By Arnav Kumar

27 February 2025

Assertion (A): Aromatic primary amines cannot be prepared by Gabriel Phthalimide synthesis. Reason (R) Aryl halides do not undergo nucleophilic substitution reaction with the anion formed by phthalimide.

By Arnav Kumar

27 February 2025

Assertion (A): Vitamin D cannot be stored in our body. Reason (R): Vitamin D is fat soluble vitamin and is not excreted from the body in urine.

By Arnav Kumar

27 February 2025

Which among the following is a false statement? (A) Rate of zero order reaction is independent of initial concentration of reactant.

By Arnav Kumar

27 February 2025

The charge required for the reduction of 1 mol of MnO4 to MnO2 is

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Latest Posts

The diamagnetic species is :

The complex ions [Co(NH3)5 (NO₂)]2+ and [Co(NH3), (ONO)]2+ are called

The element having [Ar]3d104s¹ electronic configuration is

The number of molecules that react with each other in an elementary reaction is a measure of the:

Assertion (A) In a first order reaction, if the concentration of the reactant is doubled, its half-life is also doubled. Reason (R): The half-life of a reaction does not depend upon the initial concentration of the reactant in a first order reaction.

Assertion (A): Cu cannot liberate H₂ on reaction with dilute mineral acids. Reason (R): Cu has positive electrode potential.

Assertion (A): Aromatic primary amines cannot be prepared by Gabriel Phthalimide synthesis. Reason (R) Aryl halides do not undergo nucleophilic substitution reaction with the anion formed by phthalimide.

Assertion (A): Vitamin D cannot be stored in our body. Reason (R): Vitamin D is fat soluble vitamin and is not excreted from the body in urine.

Which among the following is a false statement? (A) Rate of zero order reaction is independent of initial concentration of reactant.

The charge required for the reduction of 1 mol of MnO4 to MnO2 is

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Assertion (A) : Energy is released when heavy nuclei undergo fission or light nuclei undergo fusion. Reason (R): For heavy nuclei, binding energy per nucleon increases with increasing Z while for light nuclei, it decreases with increasing Z.

Assertion (A) : Induced emf produced in a coil will be more when the magnetic flux linked with the coil is more. Reason (R): Induced emf produced is directly proportional to the magnetic flux

A good diode checked by a multimeter should indicate :

The energy of an electron in an orbit in hydrogen atom is 3-4 eV. Its angular momentum in the orbit will be :

The radius of a nucleus of mass number 125 is

Nuclides with the same number of neutrons are called :

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