00. Alkanes
Hydrocarbons

230068 What is the minimum quantity (in grams) of methyl iodide required for preparing one mole of ethane by Wurtz reaction?
(Atomic weight of iodine $=127$ )

1 142
2 568
3 326
4 284
Hydrocarbons

230057 Which one of the following compounds is acidic?

1 $\mathrm{C}_6 \mathrm{H}_6$
2 $\mathrm{C}_2 \mathrm{H}_6$
3 $\mathrm{C}_2 \mathrm{H}_4$
4 $\mathrm{C}_2 \mathrm{H}_2$
Hydrocarbons

230059 Liquid benzene burns according to $2 \mathrm{C}_6 \mathrm{H}_6(I)+$ $1550_2(\mathrm{~g}) \rightarrow 1200_2(\mathrm{~g})+6 \mathrm{H}_2 \mathrm{O}$ (g) How many litres of oxygen are required for complete combustion of $39 \mathrm{~g}$ of liquid $\mathrm{C}_6 \mathrm{H}_6$ (atomic wt. of $\mathrm{C}=12, \mathrm{O}=16)$ ?

1 11.2
2 22.4
3 42
4 84
Hydrocarbons

230069 $4 \mathrm{~g}$ of a hydrocarbon on complete combustion gave 12,571 $\mathrm{g}$ of $\mathrm{CO}_2$ and $5.143 \mathrm{~g}$ of water. What is the empirical formula of the hydrocarbon?

1 $\mathrm{CH}$
2 $\mathrm{CH}_2$
3 $\mathrm{CH}_3$
4 $\mathrm{C}_2 \mathrm{H}_3$
Hydrocarbons

230071 Match the following column.
|Column I|Column II|
|----|----|
|(a) Ethane|(1) 2 sp carbons|
|(b) Ethylene|(2) $6 \mathrm{sp}_2^2$ carbons|
|(c) Acetylene|(3) $2 \mathrm{sp}^3$ carbons|
|(d) Benzene|(4) $2 \mathrm{sp}^2$ carbons|
|(5) $1 \mathrm{sp}$ and $1 \mathrm{sp}^2$ carbons|

1 $3 \quad 4 \quad 1 \quad 2$
2 $4 \quad 5 \quad 3 \quad 2$
3 $3 \quad 1 \quad 2 \quad 5$
4 $2 \quad 3 \quad 3 \quad 4$
Hydrocarbons

230068 What is the minimum quantity (in grams) of methyl iodide required for preparing one mole of ethane by Wurtz reaction?
(Atomic weight of iodine $=127$ )

1 142
2 568
3 326
4 284
Hydrocarbons

230057 Which one of the following compounds is acidic?

1 $\mathrm{C}_6 \mathrm{H}_6$
2 $\mathrm{C}_2 \mathrm{H}_6$
3 $\mathrm{C}_2 \mathrm{H}_4$
4 $\mathrm{C}_2 \mathrm{H}_2$
Hydrocarbons

230059 Liquid benzene burns according to $2 \mathrm{C}_6 \mathrm{H}_6(I)+$ $1550_2(\mathrm{~g}) \rightarrow 1200_2(\mathrm{~g})+6 \mathrm{H}_2 \mathrm{O}$ (g) How many litres of oxygen are required for complete combustion of $39 \mathrm{~g}$ of liquid $\mathrm{C}_6 \mathrm{H}_6$ (atomic wt. of $\mathrm{C}=12, \mathrm{O}=16)$ ?

1 11.2
2 22.4
3 42
4 84
Hydrocarbons

230069 $4 \mathrm{~g}$ of a hydrocarbon on complete combustion gave 12,571 $\mathrm{g}$ of $\mathrm{CO}_2$ and $5.143 \mathrm{~g}$ of water. What is the empirical formula of the hydrocarbon?

1 $\mathrm{CH}$
2 $\mathrm{CH}_2$
3 $\mathrm{CH}_3$
4 $\mathrm{C}_2 \mathrm{H}_3$
Hydrocarbons

230071 Match the following column.
|Column I|Column II|
|----|----|
|(a) Ethane|(1) 2 sp carbons|
|(b) Ethylene|(2) $6 \mathrm{sp}_2^2$ carbons|
|(c) Acetylene|(3) $2 \mathrm{sp}^3$ carbons|
|(d) Benzene|(4) $2 \mathrm{sp}^2$ carbons|
|(5) $1 \mathrm{sp}$ and $1 \mathrm{sp}^2$ carbons|

1 $3 \quad 4 \quad 1 \quad 2$
2 $4 \quad 5 \quad 3 \quad 2$
3 $3 \quad 1 \quad 2 \quad 5$
4 $2 \quad 3 \quad 3 \quad 4$
Hydrocarbons

230068 What is the minimum quantity (in grams) of methyl iodide required for preparing one mole of ethane by Wurtz reaction?
(Atomic weight of iodine $=127$ )

1 142
2 568
3 326
4 284
Hydrocarbons

230057 Which one of the following compounds is acidic?

1 $\mathrm{C}_6 \mathrm{H}_6$
2 $\mathrm{C}_2 \mathrm{H}_6$
3 $\mathrm{C}_2 \mathrm{H}_4$
4 $\mathrm{C}_2 \mathrm{H}_2$
Hydrocarbons

230059 Liquid benzene burns according to $2 \mathrm{C}_6 \mathrm{H}_6(I)+$ $1550_2(\mathrm{~g}) \rightarrow 1200_2(\mathrm{~g})+6 \mathrm{H}_2 \mathrm{O}$ (g) How many litres of oxygen are required for complete combustion of $39 \mathrm{~g}$ of liquid $\mathrm{C}_6 \mathrm{H}_6$ (atomic wt. of $\mathrm{C}=12, \mathrm{O}=16)$ ?

1 11.2
2 22.4
3 42
4 84
Hydrocarbons

230069 $4 \mathrm{~g}$ of a hydrocarbon on complete combustion gave 12,571 $\mathrm{g}$ of $\mathrm{CO}_2$ and $5.143 \mathrm{~g}$ of water. What is the empirical formula of the hydrocarbon?

1 $\mathrm{CH}$
2 $\mathrm{CH}_2$
3 $\mathrm{CH}_3$
4 $\mathrm{C}_2 \mathrm{H}_3$
Hydrocarbons

230071 Match the following column.
|Column I|Column II|
|----|----|
|(a) Ethane|(1) 2 sp carbons|
|(b) Ethylene|(2) $6 \mathrm{sp}_2^2$ carbons|
|(c) Acetylene|(3) $2 \mathrm{sp}^3$ carbons|
|(d) Benzene|(4) $2 \mathrm{sp}^2$ carbons|
|(5) $1 \mathrm{sp}$ and $1 \mathrm{sp}^2$ carbons|

1 $3 \quad 4 \quad 1 \quad 2$
2 $4 \quad 5 \quad 3 \quad 2$
3 $3 \quad 1 \quad 2 \quad 5$
4 $2 \quad 3 \quad 3 \quad 4$
Hydrocarbons

230068 What is the minimum quantity (in grams) of methyl iodide required for preparing one mole of ethane by Wurtz reaction?
(Atomic weight of iodine $=127$ )

1 142
2 568
3 326
4 284
Hydrocarbons

230057 Which one of the following compounds is acidic?

1 $\mathrm{C}_6 \mathrm{H}_6$
2 $\mathrm{C}_2 \mathrm{H}_6$
3 $\mathrm{C}_2 \mathrm{H}_4$
4 $\mathrm{C}_2 \mathrm{H}_2$
Hydrocarbons

230059 Liquid benzene burns according to $2 \mathrm{C}_6 \mathrm{H}_6(I)+$ $1550_2(\mathrm{~g}) \rightarrow 1200_2(\mathrm{~g})+6 \mathrm{H}_2 \mathrm{O}$ (g) How many litres of oxygen are required for complete combustion of $39 \mathrm{~g}$ of liquid $\mathrm{C}_6 \mathrm{H}_6$ (atomic wt. of $\mathrm{C}=12, \mathrm{O}=16)$ ?

1 11.2
2 22.4
3 42
4 84
Hydrocarbons

230069 $4 \mathrm{~g}$ of a hydrocarbon on complete combustion gave 12,571 $\mathrm{g}$ of $\mathrm{CO}_2$ and $5.143 \mathrm{~g}$ of water. What is the empirical formula of the hydrocarbon?

1 $\mathrm{CH}$
2 $\mathrm{CH}_2$
3 $\mathrm{CH}_3$
4 $\mathrm{C}_2 \mathrm{H}_3$
Hydrocarbons

230071 Match the following column.
|Column I|Column II|
|----|----|
|(a) Ethane|(1) 2 sp carbons|
|(b) Ethylene|(2) $6 \mathrm{sp}_2^2$ carbons|
|(c) Acetylene|(3) $2 \mathrm{sp}^3$ carbons|
|(d) Benzene|(4) $2 \mathrm{sp}^2$ carbons|
|(5) $1 \mathrm{sp}$ and $1 \mathrm{sp}^2$ carbons|

1 $3 \quad 4 \quad 1 \quad 2$
2 $4 \quad 5 \quad 3 \quad 2$
3 $3 \quad 1 \quad 2 \quad 5$
4 $2 \quad 3 \quad 3 \quad 4$
Hydrocarbons

230068 What is the minimum quantity (in grams) of methyl iodide required for preparing one mole of ethane by Wurtz reaction?
(Atomic weight of iodine $=127$ )

1 142
2 568
3 326
4 284
Hydrocarbons

230057 Which one of the following compounds is acidic?

1 $\mathrm{C}_6 \mathrm{H}_6$
2 $\mathrm{C}_2 \mathrm{H}_6$
3 $\mathrm{C}_2 \mathrm{H}_4$
4 $\mathrm{C}_2 \mathrm{H}_2$
Hydrocarbons

230059 Liquid benzene burns according to $2 \mathrm{C}_6 \mathrm{H}_6(I)+$ $1550_2(\mathrm{~g}) \rightarrow 1200_2(\mathrm{~g})+6 \mathrm{H}_2 \mathrm{O}$ (g) How many litres of oxygen are required for complete combustion of $39 \mathrm{~g}$ of liquid $\mathrm{C}_6 \mathrm{H}_6$ (atomic wt. of $\mathrm{C}=12, \mathrm{O}=16)$ ?

1 11.2
2 22.4
3 42
4 84
Hydrocarbons

230069 $4 \mathrm{~g}$ of a hydrocarbon on complete combustion gave 12,571 $\mathrm{g}$ of $\mathrm{CO}_2$ and $5.143 \mathrm{~g}$ of water. What is the empirical formula of the hydrocarbon?

1 $\mathrm{CH}$
2 $\mathrm{CH}_2$
3 $\mathrm{CH}_3$
4 $\mathrm{C}_2 \mathrm{H}_3$
Hydrocarbons

230071 Match the following column.
|Column I|Column II|
|----|----|
|(a) Ethane|(1) 2 sp carbons|
|(b) Ethylene|(2) $6 \mathrm{sp}_2^2$ carbons|
|(c) Acetylene|(3) $2 \mathrm{sp}^3$ carbons|
|(d) Benzene|(4) $2 \mathrm{sp}^2$ carbons|
|(5) $1 \mathrm{sp}$ and $1 \mathrm{sp}^2$ carbons|

1 $3 \quad 4 \quad 1 \quad 2$
2 $4 \quad 5 \quad 3 \quad 2$
3 $3 \quad 1 \quad 2 \quad 5$
4 $2 \quad 3 \quad 3 \quad 4$