`Mg_2C_3` on hydrolysis gives ________.

Sucrose on hydrolysis gives

A l_4 C_3' on hydrolysis gives ....... Gas

A compóund A with molecular formula C_4 H_10O . on oxidation forms compound B. The compound B gives positive iodoform test. Compound B on reaction with CH_3 MgBr followed:by hydrolysis gives: C. Identify A, Band C and give the sequence of reactions.

A dihalide C_(5)H_(10)Cl_(2) (X) on alkaline hydrolysis gives C_(5)H_(10)O , which reacts with 2, 4-DNP, does not give silver mirror test but answers iodoform test. Which of the following is X?

Say TRUE of FALSE. Calcium carbide on hydrolysis gives ethylene.

The compound C_4 H_8 Cl_2 (A) an hydrolysis gives a compound C_4 H_8 O_1(B) . The compound (B) reacts with hydroxylamine and gives a negative test with Tollen's reagent. What are (A)and (B), Support your answer with proper reasoning and give the equations of reactions.

Statement 1: A solution of sucrose in water is dextrorotatory but on hydrolysis in presence of little hydrochloride acid, it becomes laevorotatory. Statement 2: Sucrose on hydrolysis gives unequal amounts of glucose and fructose as a result of which change in sign of rotation is observed.