Which one the following combinations illustrate law of reciprocal proportions ?

Options

A. `N_(2)O_(3), N_(2)O_(4), N_(2)O_(5)`
B. `NaCl, NaBr, NaI`
C. `CS_(2), CO_(2), SO_(2)`
D. `PH_(3), P_(2)O_(3), P_(2)O_(5)`

Answer

C

Explanation

In law of reciprocal proportions, the two elements combining with the third element, must combine with each other in the same ratio or multiple of that ratio S and O when combine with Cis 2: 1. Ratio of S and O is `SO_(2)` is 1 : 1