Chemistry Part-II - NCERT Solutions - GeniusJnr

Find the amount to be paid at the end of 3 years in each case:

(a) Principal = Rs 1,200 at 12% p.a.

(b) Principal = Rs 7,500 at 5% p.a.

The oxidation numbers of two chlorine atoms in CaOCl₂ are

P, Q, R and S are four metals with standard electrode potential as −3.05, −1.66, −0.40 and 0.8 V. Which of the following will be most oxidising?

Stock notation of HAuCl₄ is

Among the following species, identify the species with an atom in +6 oxidation state?

Which of the following reactions is not a redox reaction?

On reduction of KMnO₄ by oxalic acid in acidic medium, the oxidation number of Mn changes from

The oxidation number of sulphur in S₈ molecule is

Solve

(a) (b)

(c) (d)

(e) (f)

(g) (h)

(i) (j)

(k) (l)

(m) (n)

In which of the following reaction, there is no change in oxidation number:

Naina was given piece of cake and Najma was given piece of cake. Find the total amount of cake was given to both of them.

Oxidation number of S in S₂O₈²⁻ is