1. MgO
2. MgCl2
3. MgSiO
4. SiCl4
MgCl<sub>2</sub>
1. H2O
2. H2O2
3. OF2
4. H2SO4
OF<sub>2</sub>
1. C2H5OH
2. CH3COOH
3. C2H5OC2H5
4. CH3COCH3
C<sub>2</sub>H<sub>5</sub>OH
1. C2H5ONa
2. C2H5OC2H5
3. CH3COOH
4. CH3CHO
C<sub>2</sub>H<sub>5</sub>ONa
1. 82.1
2. 8.314x107
3. 8.314
4. 0.0821
8.314
1. orange
2. green
3. yellow
4. lilac
lilac
1. aqueous Na2CO3
2. aqueous NaOH
3. NaCl + CaCl2
4. fused anhydrous NaOH
fused anhydrous NaOH
1. Fehling solution
2. Tollen's reagent
3. Benedict solution
4. Schiff's reagent
Tollen's reagent
1. C2H6
2. C2H5Cl
3. C2H4
4. C2H5OCH3
C<sub>2</sub>H<sub>4</sub>
1. hydrolyses Rx to ROH
2. reduces Rx to RH
3. destroy the Na metal
4. reacts with R-R
destroy the Na metal