228744 A compound $X$ on heating gives a colourless gas. The residue is dissolved in water to obtain Y. Excess $\mathrm{CO}_2$ is passed through aqueous solution of $Y$ when $Z$ is formed. $Z$ on gentle heating gives back $X$. the compound $X$ is
5. Percentage Composition and

228745 A compound $X$ on heating gives a colourless gas. The residue is dissolved in water to obtain Y. Excess $\mathrm{CO}_2$ is passed through aqueous solution of $Y$ when $Z$ is formed. $Z$ on gentle heating gives back $X$. the compound $X$ is
5. Percentage Composition and

228746 120 g of an organic compound that contains only carbon and hydrogen gives $330 \mathrm{~g}$ of $\mathrm{CO}_2$ and $270 \mathrm{~g}$ of water on complete combustion. The percentage of carbon and hydrogen, respectively are

228747 The empirical formula of a non-electrolyte is $\mathrm{CH}_2 \mathrm{O}$. A solution containing $6 \mathrm{~g}$ of the compound exerts the same osmotic pressure as that of $0.05 \mathrm{M}$ glucose solution at the same temperature. The molecular formula of the compound is

228744 A compound $X$ on heating gives a colourless gas. The residue is dissolved in water to obtain Y. Excess $\mathrm{CO}_2$ is passed through aqueous solution of $Y$ when $Z$ is formed. $Z$ on gentle heating gives back $X$. the compound $X$ is
5. Percentage Composition and

228745 A compound $X$ on heating gives a colourless gas. The residue is dissolved in water to obtain Y. Excess $\mathrm{CO}_2$ is passed through aqueous solution of $Y$ when $Z$ is formed. $Z$ on gentle heating gives back $X$. the compound $X$ is
5. Percentage Composition and

228746 120 g of an organic compound that contains only carbon and hydrogen gives $330 \mathrm{~g}$ of $\mathrm{CO}_2$ and $270 \mathrm{~g}$ of water on complete combustion. The percentage of carbon and hydrogen, respectively are

228747 The empirical formula of a non-electrolyte is $\mathrm{CH}_2 \mathrm{O}$. A solution containing $6 \mathrm{~g}$ of the compound exerts the same osmotic pressure as that of $0.05 \mathrm{M}$ glucose solution at the same temperature. The molecular formula of the compound is

228744 A compound $X$ on heating gives a colourless gas. The residue is dissolved in water to obtain Y. Excess $\mathrm{CO}_2$ is passed through aqueous solution of $Y$ when $Z$ is formed. $Z$ on gentle heating gives back $X$. the compound $X$ is
5. Percentage Composition and

228745 A compound $X$ on heating gives a colourless gas. The residue is dissolved in water to obtain Y. Excess $\mathrm{CO}_2$ is passed through aqueous solution of $Y$ when $Z$ is formed. $Z$ on gentle heating gives back $X$. the compound $X$ is
5. Percentage Composition and

228746 120 g of an organic compound that contains only carbon and hydrogen gives $330 \mathrm{~g}$ of $\mathrm{CO}_2$ and $270 \mathrm{~g}$ of water on complete combustion. The percentage of carbon and hydrogen, respectively are

228747 The empirical formula of a non-electrolyte is $\mathrm{CH}_2 \mathrm{O}$. A solution containing $6 \mathrm{~g}$ of the compound exerts the same osmotic pressure as that of $0.05 \mathrm{M}$ glucose solution at the same temperature. The molecular formula of the compound is

228744 A compound $X$ on heating gives a colourless gas. The residue is dissolved in water to obtain Y. Excess $\mathrm{CO}_2$ is passed through aqueous solution of $Y$ when $Z$ is formed. $Z$ on gentle heating gives back $X$. the compound $X$ is
5. Percentage Composition and

228745 A compound $X$ on heating gives a colourless gas. The residue is dissolved in water to obtain Y. Excess $\mathrm{CO}_2$ is passed through aqueous solution of $Y$ when $Z$ is formed. $Z$ on gentle heating gives back $X$. the compound $X$ is
5. Percentage Composition and

228746 120 g of an organic compound that contains only carbon and hydrogen gives $330 \mathrm{~g}$ of $\mathrm{CO}_2$ and $270 \mathrm{~g}$ of water on complete combustion. The percentage of carbon and hydrogen, respectively are

228747 The empirical formula of a non-electrolyte is $\mathrm{CH}_2 \mathrm{O}$. A solution containing $6 \mathrm{~g}$ of the compound exerts the same osmotic pressure as that of $0.05 \mathrm{M}$ glucose solution at the same temperature. The molecular formula of the compound is