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Grade: 12th pass

                        

A hydrocarbon contain 80% C.The vapour density of compound is 30.Empirical compound is

3 years ago

Answers : (4)

Rushikesh
21 Points
							V.D.=m/230*2=m=60(wt of hydrocarbon)It contains 80% carbonI.e., 80*60/100=48g carbonAnd remaining hydrogen is 60-48=12g hydrogenNow for em.formulaFind out moles of C and H using W/M= no.of moles48/12:12/11:4CH4
						
3 years ago
Rushikesh
21 Points
							V.D.=m/230*2=m=60(wt of hydrocarbon)  It contains 80% carbonI.e., 80*60/100=48g carbon .And remaining hydrogen is 60-48=12g hydrogenNow for em.formula.  Find out moles of C and H using W/M= no.of moles48/12:12/1 1:4   CH4
						
3 years ago
Anmol Yadav
11 Points
							
In CH4 the percentage of carbon is 75 and that of hydrogen is 25.
I there is some mistake in the question.
3 years ago
Ravleen Kaur
askIITians Faculty
1451 Points
							Hello Student,

I have attached image for the same.

Regards
IHE560-636_r4.PNG
2 years ago
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