Chemistry Test 260

The correct order of their reactivity towards hydrolysis at room temperature is:

Given below are two statements:

Statement I: Potassium permanganate on heating at 573 K forms potassium manganate.

Statement II: Both potassium permanganate and potassium manganate are tetrahedral and paramagnetic in nature.

In the light of the above statements, choose the most appropriate answer from the options given below:

Fe³⁺ cation gives a Prussian blue precipitate on addition of potassium ferrocyanide solution due to the formation of:

In the flame test of a mixture of salts, a green flame with blue centre was observed. Which one of the following cations may be present?

Given below are two statements:

Statement I: The E^° value of Ce⁴⁺/Ce³⁺ is +1.74 V.

Statement II: Ce is more stable in Ce⁴⁺ state than Ce³⁺ state.

In the light of the above statements, choose the most appropriate answer from the options given below:

The reaction of H₂O₂ with potassium permanganate in acidic medium leads to the formation of mainly:

Which one of the following lanthanides exhibits +2 oxidation state with diamagnetic nature?

(Given: Z for Nd = 60, Yb = 70, La = 57, Ce = 58)

The functional groups that are responsible for the ion-exchange property of cation and anion exchange resins, respectively, are:

Which one of the following is an example of artificial sweetener?

Which of the following is not an essential amino acid?