A carbon compound 'P' on heating with excess conc. $H_{2}S{O}_4$ forms another carbon compound 'Q' which on addition of $H_2$ in the presence of nickel catalyst forms a saturated carbon compound 'R'. One molecule of 'R' on combustion forms two molecules of $C{O}_2$ and 3 molecules of $H_{2}O$. Identity P, Q, R and write chemical equation?

Q. A carbon compound 'P' on heating with excess conc. $H_{2}S{O}_4$ forms another carbon compound 'Q' which on addition of hydrogen in the presence of nickel catalyst forms a saturated carbon compound R. One molecule of 'R' on combustion forms two molecules of carbon dioxide and three molecules of water. Identify P, Q and R and write chemical equations for the reactions involved.

Q. A carbon compound 'P' on heating with excess conc. $H_{2}S{O}_4$ forms another carbon compound 'Q' which on addition of hydrogen in the presence of nickel catalyst forms a saturated carbon compound 'R'. One molecule of 'R' on combustion forms two molecules of carbon dioxide and three molecules of water. Identify P, Q, R and write chemical equations for the reactions involved.

Q. Question 57
An organic compound A on heating with concentrated ${\text{H}}_2{\text{SO}}_4$ forms a compound B which on an addition of one mole of hydrogen in presence of $\text{Ni}$ forms a compound C. One mole of compound C on combustion forms two moles of ${\text{CO}}_2$ and 3 moles of ${\text{H}}_2\text{O}$. Identify the compounds A, B and C and write the chemical equations of the reactions involved.

Q. An organic compound A on heating with concentrated $H_{2}S{O}_4$ forms a compound B which on addition of one mole of hydrogen in presence of Ni forms a compound C. One mole of compound C on combustion forms two moles of $C{O}_2$ and 3 moles of $H_{2}O.$ Identify the compounds A, B.

Q. A violet compound of manganese (F) decomposes on heating to liberate oxygen and compounds (Q) and (R) of manganese is formed. Compound (R) reacts with KOH in the presence of potassium nitrate to give compound (Q). On heating compound (R) with conc. $H_{2}S{O}_4$ and NaCl, chlorine gas is liberated and a compound (S) of manganese along with other products is formed. Compounds P to S are: