Question

Which of the following is an empirical formula ?
(1) CH2
(2) C2H6O

(3) Au Cl6

(4) Hg2 (NO3)2
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Answer 1

Answer:

2ND ONE

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Answer 2

Hii its tom85

CH2 is the empirical formula because

ratio of carbon and hydrogen in simplest form 2:1

______/\______☺️

Hope it may helps you