Q. In chemical reaction of potassium ferrocyanide and hydrogen peroxide in the presence of dil.

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A

Ferrocyanide gets reduced to ferricyanide

B

Ferrocyanide gets oxidised

C

Iron does not change its oxidation state

D

Hydrogen peroxide is oxidised

Solution:

In reaction of potassium ferrocyanide and hydrogen peroxide in the presence of dil.
is oxidised by into ions.

Questions from NTA Abhyas 2022

1. An alkene on ozonolysis gives a mixture of two carbonyl compounds. Mixture on Clemmensen reduction gives just one alkane . is the lowest alkane which in pure form can not be prepared by standard Wurtz method. is

2. A cation is in the centre touches three anions. Assume that the anions also touch each other. The limiting radius ratio, is

3. Blue colour of alkali and alkaline earth metals in liquid is due to

4. Which of the following oxides is strongly basic?

5. In a box hydroiodic acid is taken. After equilibrium the concentration of is found to be . The concentration of at equilibrium in , is

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