A gas has molecular formula (CH)_n.If vapour density of the gas is 39, what should be the formulaof the compound ?

A gas has molecular formula (CH)_n.If vapour density of the gas is 39,

1.	A gas has molecular formula (CH)_n.If vapour density of the gas is 39, what should be the formulaof the compound ?
Answer» <html><body><p>`C_3H_3`<br/>`C_4H_4`<br/>`C_2H_2`<br/>`C_6H_6`<br/></p>Solution :Mol. Wt. `=2xxV.D. = 2xx39=78` <br/> `(CH)_n=(<a href="https://interviewquestions.tuteehub.com/tag/13-271882" style="font-weight:bold;" target="_blank" title="Click to know more about 13">13</a>)_n " or " 13xxn=78` <br/> <a href="https://interviewquestions.tuteehub.com/tag/n-568463" style="font-weight:bold;" target="_blank" title="Click to know more about N">N</a>=78/13=6 <br/> `therefore " <a href="https://interviewquestions.tuteehub.com/tag/molecular-562994" style="font-weight:bold;" target="_blank" title="Click to know more about MOLECULAR">MOLECULAR</a> formula " = C_6H_6`</body></html>