Give balanced equations for the following conversions:

1. $\text{1,2 dibromoethane} \xrightarrow{\text{A}} \text{Acetylene} \xrightarrow{\text{B}} \text{Silver acetylide}$
2. $\text{Ethanol} \xrightarrow{\text{C}} \text{Ethene} \xleftarrow{\text{D}} \text{Ethyl iodide}$
3. $\text{Bromoethane} \xrightarrow{\text{E}} \text{Ethane} \xleftarrow{\text{F}} \text{Sodium propanoate}$
4. $\text{Sodium ethanoate} \xrightarrow{\text{G}} \text{Marsh gas} \xrightarrow{\text{G}$1} \text{Methanol} \xrightarrow{\text{G}2} \text{Methanal} \xrightarrow{\text{G}_3} \text{Methanoic acid}
5. $\text{Sodium acetate + H}$2 \xleftarrow{\text{H}} \text{Acetic acid} \xrightarrow{\text{H}1} \text{Ethyl ethanoate}

1. $\text{1,2 dibromoethane} \xrightarrow{\text{A}} \text{Acetylene}$

$\text{Acetylene} \xrightarrow{\text{B}} \text{Silver acetylide}$

$\underset{\text{ ethyne}}{\text{HC ≡ CH}} + 2\text{AgNO}$3 + 2\text{NH}4\text{OH} \longrightarrow \underset{\text{Silver Acetylide}}{\text{Ag-C ≡ C-Ag}} + 2\text{NH}4\text{NO}3 + 2\text{H}_2\text{O}

2. $\text{Ethanol} \xrightarrow{\text{C}} \text{Ethene}$

$\underset{\text{ ethyl alcohol}}{\text{C}$2\text{H}5\text{OH}} \xrightarrow[170\degree\text{C}]{\text{Conc. H}2\text{SO}4\text{[excess]}} \underset{ \text{ethene}}{\text{C}2\text{H}4} + \text{H}_2\text{O}\

$\text{Ethyl iodide} \xrightarrow{\text{D}} \text{Ethene}$

$\underset{\text{ ethyl iodide}}{\text{C}$2\text{H}5\text{I}} + \underset{ \text{ alcoholic}}{\text{KOH}} {\xrightarrow{\text{boil}}} \underset{ \text{ ethene}}{\text{C}2\text{H}4} + \text{KI} +\text{H}_2\text{O}

3. $\text{Bromoethane} \xrightarrow{\text{E}} \text{Ethane}$

$\underset{\text{bromoethane}}{\text{C}$2\text{H}5\text{Br}} + \underset{\text{nascent hydrogen}}{2\text{[H]}} \xrightarrow[\text{alcohol}]{\text{Zn/Cu couple}} \underset{\text{ethane}}{\text{C}2\text{H}6} +\text{HBr}

$\text{Ethane} \xleftarrow{\text{F}} \text{Sodium propanoate}$

$\underset{\text{sodium propanoate}}{\text{C}$2\text{H}5\text{COONa}} + \underset{\text{sodalime}}{\text{NaOH}} \xrightarrow[300\degree\text{C}]{\text{CaO}} \underset{\text{ethane}}{\text{C}2\text{H}6 \uparrow} + \text{Na}2\text{CO}3

4. $\text{Sodium ethanoate} \xrightarrow{\text{G}} \text{Marsh gas}$

$\underset{\text{ sodium acetate}}{\text{CH}$3\text{COONa}} + \underset{\text{sodalime}}{\text{NaOH}} \xrightarrow[300\degree\text{C}]{\text{CaO}} \underset{\text{methane}}{\text{C}\text{H}4 \uparrow} + \text{Na}2\text{CO}3

Methane to Methanol to Methanal to Methanoic acid

$\underset{\text{ Methane} }{\text{CH}$4} \xrightarrow[\text{K}2\text{Cr}2\text{O}7]{\text{[O]}} \underset{\text{methanol}}{\text{CH}3\text{OH}} \xrightarrow[\text{K}2\text{Cr}2\text{O}7]{\text{[O]}} \underset{\text {methanal}}{\text{HCHO}} \xrightarrow[\text{K}2\text{Cr}2\text{O}_7]{\text{[O]}} \underset{\text{methanoic acid}}{\text{HCOOH}}

5. $\text{Sodium acetate + H}_2 \xleftarrow{\text{H}} \text{Acetic acid}$

$2\underset{\text{Acetic acid}}{\text{CH}$3\text{COOH}} + 2\text{Na} \longrightarrow \underset{\text{sodium acetate}}{2\text{CH}3\text{COONa}} + \text{H}_2

$\text{Acetic acid}\xrightarrow{\text{H}_1} \text{Ethyl ethanoate}$

$\underset{\text{ethyl alcohol}}{\text{C}$2\text{H}5\text{OH}} + \underset{\text{Acetic acid}}{\text{CH}3\text{COOH}} \xrightarrow{\text{Conc. H}2\text{SO}4} \underset{\text{ethyl ethanoate}}{\text{CH}3-\text{COO}-\text{C}2\text{H}5} + \text{H}_2\text{O}