12. ORGANIC CHEMISTRY SOME BASIC PRINCIPLES AND TECHNIQUES
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GENERAL ORGANIC CHEMISTRY

25275 \(60 \,g\) of a compound on analysis gave \(C = 24\,{\rm{ }}g,\) \(H = 4\,{\rm{ }}g\) and \(O = 32\, g\). Its Empirical formula is

1 \({C_2}{H_4}{O_2}\)
2 \({C_2}{H_2}O\)
3 \(C{H_2}{O_2}\)
4 \(C{H_2}O\)
GENERAL ORGANIC CHEMISTRY

25276 An organic compound contains \(C = 38.8\% ,\) \(H = 16\% \) and \(N = 45.2\% \). Empirical formula of the compound is

1 \(C{H_3}N{H_2}\)
2 \(C{H_3}CN\)
3 \({C_2}{H_5}CN\)
4 \(C{H_2}{(NH)_2}\)
GENERAL ORGANIC CHEMISTRY

25277 In Kjeldahl's method for the estimation of nitrogen, the formula used is

1 \(\% N = \frac{{1.4\,{\rm{ }}V{\rm{ }}W}}{N}\)
2 \(\% N = \frac{{1.4\,{\rm{ }}N{\rm{ }}W}}{V}\)
3 \(\% N = \frac{{V{\rm{ }}N{\rm{ }}W}}{{1.8}}\)
4 \(\% N = \frac{{1.4{\rm{ }}V{\rm{ }}N}}{W}\)
GENERAL ORGANIC CHEMISTRY

25278 An organic compound on analysis gave the following results : \(C = 54.5\%, \,O = 36.4\%, \,H = 9.1\%\). The Empirical formula of the compound is

1 \(C{H_3}O\)
2 \({C_2}{H_4}O\)
3 \({C_3}{H_4}O\)
4 \({C_4}{H_8}O\)
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GENERAL ORGANIC CHEMISTRY

25275 \(60 \,g\) of a compound on analysis gave \(C = 24\,{\rm{ }}g,\) \(H = 4\,{\rm{ }}g\) and \(O = 32\, g\). Its Empirical formula is

1 \({C_2}{H_4}{O_2}\)
2 \({C_2}{H_2}O\)
3 \(C{H_2}{O_2}\)
4 \(C{H_2}O\)
GENERAL ORGANIC CHEMISTRY

25276 An organic compound contains \(C = 38.8\% ,\) \(H = 16\% \) and \(N = 45.2\% \). Empirical formula of the compound is

1 \(C{H_3}N{H_2}\)
2 \(C{H_3}CN\)
3 \({C_2}{H_5}CN\)
4 \(C{H_2}{(NH)_2}\)
GENERAL ORGANIC CHEMISTRY

25277 In Kjeldahl's method for the estimation of nitrogen, the formula used is

1 \(\% N = \frac{{1.4\,{\rm{ }}V{\rm{ }}W}}{N}\)
2 \(\% N = \frac{{1.4\,{\rm{ }}N{\rm{ }}W}}{V}\)
3 \(\% N = \frac{{V{\rm{ }}N{\rm{ }}W}}{{1.8}}\)
4 \(\% N = \frac{{1.4{\rm{ }}V{\rm{ }}N}}{W}\)
GENERAL ORGANIC CHEMISTRY

25278 An organic compound on analysis gave the following results : \(C = 54.5\%, \,O = 36.4\%, \,H = 9.1\%\). The Empirical formula of the compound is

1 \(C{H_3}O\)
2 \({C_2}{H_4}O\)
3 \({C_3}{H_4}O\)
4 \({C_4}{H_8}O\)
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GENERAL ORGANIC CHEMISTRY

25275 \(60 \,g\) of a compound on analysis gave \(C = 24\,{\rm{ }}g,\) \(H = 4\,{\rm{ }}g\) and \(O = 32\, g\). Its Empirical formula is

1 \({C_2}{H_4}{O_2}\)
2 \({C_2}{H_2}O\)
3 \(C{H_2}{O_2}\)
4 \(C{H_2}O\)
GENERAL ORGANIC CHEMISTRY

25276 An organic compound contains \(C = 38.8\% ,\) \(H = 16\% \) and \(N = 45.2\% \). Empirical formula of the compound is

1 \(C{H_3}N{H_2}\)
2 \(C{H_3}CN\)
3 \({C_2}{H_5}CN\)
4 \(C{H_2}{(NH)_2}\)
GENERAL ORGANIC CHEMISTRY

25277 In Kjeldahl's method for the estimation of nitrogen, the formula used is

1 \(\% N = \frac{{1.4\,{\rm{ }}V{\rm{ }}W}}{N}\)
2 \(\% N = \frac{{1.4\,{\rm{ }}N{\rm{ }}W}}{V}\)
3 \(\% N = \frac{{V{\rm{ }}N{\rm{ }}W}}{{1.8}}\)
4 \(\% N = \frac{{1.4{\rm{ }}V{\rm{ }}N}}{W}\)
GENERAL ORGANIC CHEMISTRY

25278 An organic compound on analysis gave the following results : \(C = 54.5\%, \,O = 36.4\%, \,H = 9.1\%\). The Empirical formula of the compound is

1 \(C{H_3}O\)
2 \({C_2}{H_4}O\)
3 \({C_3}{H_4}O\)
4 \({C_4}{H_8}O\)
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GENERAL ORGANIC CHEMISTRY

25275 \(60 \,g\) of a compound on analysis gave \(C = 24\,{\rm{ }}g,\) \(H = 4\,{\rm{ }}g\) and \(O = 32\, g\). Its Empirical formula is

1 \({C_2}{H_4}{O_2}\)
2 \({C_2}{H_2}O\)
3 \(C{H_2}{O_2}\)
4 \(C{H_2}O\)
GENERAL ORGANIC CHEMISTRY

25276 An organic compound contains \(C = 38.8\% ,\) \(H = 16\% \) and \(N = 45.2\% \). Empirical formula of the compound is

1 \(C{H_3}N{H_2}\)
2 \(C{H_3}CN\)
3 \({C_2}{H_5}CN\)
4 \(C{H_2}{(NH)_2}\)
GENERAL ORGANIC CHEMISTRY

25277 In Kjeldahl's method for the estimation of nitrogen, the formula used is

1 \(\% N = \frac{{1.4\,{\rm{ }}V{\rm{ }}W}}{N}\)
2 \(\% N = \frac{{1.4\,{\rm{ }}N{\rm{ }}W}}{V}\)
3 \(\% N = \frac{{V{\rm{ }}N{\rm{ }}W}}{{1.8}}\)
4 \(\% N = \frac{{1.4{\rm{ }}V{\rm{ }}N}}{W}\)
GENERAL ORGANIC CHEMISTRY

25278 An organic compound on analysis gave the following results : \(C = 54.5\%, \,O = 36.4\%, \,H = 9.1\%\). The Empirical formula of the compound is

1 \(C{H_3}O\)
2 \({C_2}{H_4}O\)
3 \({C_3}{H_4}O\)
4 \({C_4}{H_8}O\)