Question

A solid material contains elements M and N only .analysis of three samples of this subastance gave the following result:sample:1,2,3;mass of sample in g:2.173,1.518,1.815;mass of M in g:1.566,1.094,1.334.is it constituent with hypothesis that the material is a compound?

Answer 1

Answer:

As the mass of organic compound as well as its constituents elements are given, now first to find that how many atoms are there of the particular type of element, by dividing the mass by their molar mass.

Atoms of C=

12

24

=2

Atoms of H=

1

4

=4

Atoms of O=

16

32

=2

Now, secondly, we take the ratio of all atoms of all type present.

So, 2:4:2=1:2:1

So, empirical formula must be CH

2

O.

Hence, the correct option is A

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