NEET Sample Paper NEET Sample Test Paper-46

The simplest formula of the compound containing \[50\,%\] X (atomic mass 10 amu) and \[50\,%\] Y (atomic mass 20 amu) is:

A) \[X{{Y}_{2}}\]

B)                    \[{{X}_{2}}Y\]

C)                    \[{{X}_{2}}{{Y}_{3}}\]

D)                    \[X{{Y}_{3}}\]

Correct Answer: B

Solution :

Element	%	Relative no. of moles	Simple ratio
X	50	\[\frac{50}{10}\,\,=\,\,5\]	\[\frac{5}{2.5}\,\,=\,\,2\]
Y	50	\[\frac{50}{20}\,\,=\,\,2.5\]	\[\frac{2.5}{2.5}\,\,=\,\,1\]
Simplest formula of the compound \[=\text{ }{{X}_{2}}Y\]