Combustion of Hydrocarbons

Q. Saturated hydrocarbons burn with blue flame and unsaturated hydrocarbons burn with a yellow sooty flame.

1. False
2. True

Q. How many moles of $H_{2}O$ is produced when ${\text{C}}_3{\text{H}}_8$ undergoes combustion ?

1. 4

Q. Complete and balance the given chemical reaction.
${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+{\text{O}}_2\text{(g)}\to$

1. ${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+4{\text{O}}_2\text{(g)}\to 4{\text{CO}}_2\text{(g)}+5{\text{H}}_2\text{(g)}$
2. ${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+{\text{O}}_2\text{(g)}\to {\text{CH}}_3{\text{CH}}_2\text{O (g)}+{\text{CH}}_3{\text{CH}}_2\text{O (g)}$
3. $2{\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+13{\text{O}}_2\text{(g)}\to 8{\text{CO}}_2\text{(g)}+10{\text{H}}_2\text{O (l)}$
4. $3{\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+6{\text{O}}_2\text{(g)}\to 12{\text{CH}}_3{\text{CH}}_2{\text{CH}}_2\text{O}{\text{CH}}_3\text{(g)}$

Q.

Give a balanced chemical equation for ${\mathrm{CH}}_4$ reacting with oxygen gas to produce water and carbon dioxide?

Q.

Complete and balance the following reaction:

${\text{CH}}_4\text{(g)}+{\text{O}}_2\text{(g)}\to$

1. $C{H}_4\left(g\right)+2O_2\left(g\right)\to C{O}_2\left(g\right)+2H_2\left(l\right)$

2. $C{H}_4\left(g\right)+2O_2\left(g\right)\to C{O}_2\left(g\right)+2H_{2}O\left(l\right)$

3. $C{H}_4\left(g\right)+2O_2\left(g\right)\to C{H}_{3}O\left(g\right)$

4. $C{H}_4\left(g\right)+O_2\left(g\right)\to C{O}_2\left(g\right)+H_{2}O\left(l\right)$

Q.

Complete and balance the given reaction:

$C_3{H}_8\left(g\right)+O_2\left(g\right)\to$

1. $C_3{H}_8\left(g\right)+5O_2\left(g\right)\to 10C{O}_2\left(g\right)$

2. $C_3{H}_8\left(g\right)+O_2\left(g\right)\to C{O}_2\left(g\right)+H_{2}O\left(g\right)$

3. $C_3{H}_8\left(g\right)+5O_2\left(g\right)\to 3C{O}_2\left(g\right)+4H_{2}O\left(l\right)$

4. $C_3{H}_8\left(g\right)+5O_2\left(g\right)\to 2C{O}_2\left(g\right)+5H_2\left(g\right)$

Q.

$C{H}_{3}C{H}_{2}C{H}_{2}C{H}_3\left(g\right)+13O_2\left(g\right)\to 8C{O}_2\left(g\right)+10H_{2}O\left(l\right)$

Identify the type of reaction.

1. Addition reaction
2. Polymerisation reaction
3. Combustion reaction
4. Substitution reaction

Q. How many moles of $H_{2}O$ is produced when ${\text{C}}_3{\text{H}}_8$ undergoes combustion ?

1. 4

Q.

Identify the product obtained and balance the following reaction.

${\mathrm{C}}_4{\mathrm{H}}_{10}+{\mathrm{O}}_2\to$

Q.

Complete and balance the given reaction:

$C_3{H}_8\left(g\right)+O_2\left(g\right)\to$

1. $C_3{H}_8\left(g\right)+5O_2\left(g\right)\to 10C{O}_2\left(g\right)$

2. $C_3{H}_8\left(g\right)+O_2\left(g\right)\to C{O}_2\left(g\right)+H_{2}O\left(g\right)$

3. $C_3{H}_8\left(g\right)+5O_2\left(g\right)\to 3C{O}_2\left(g\right)+4H_{2}O\left(l\right)$

4. $C_3{H}_8\left(g\right)+5O_2\left(g\right)\to 2C{O}_2\left(g\right)+5H_2\left(g\right)$

Q. Complete the following reaction: $C{H}_{3}C{H}_{2}OH+O_2\to$ $+H_{2}O$

1. $H_2$
2. $C{H}_4$
3. $C{O}_2$

Q. Complete the following reaction: $C{H}_{3}C{H}_{2}OH+O_2\to$ $+H_{2}O$

1. $H_2$
2. $C{O}_2$
3. $C{H}_4$

Q.

Which of the following pairs are correct?

1. Saturated compounds and unsaturated compounds both give clean or blue flame

2. Saturated compounds - yellow flame, Unsaturated compounds - clean or blue flame.

3. Saturated compounds- clean or blue flame, Unsaturated compounds - yellow flame.

4. Saturated compounds and unsaturated compounds both give yellow flame

Q.

Write the product of the reaction

${\mathrm{CO}}_2\left(\mathrm{g}\right)+4{\mathrm{H}}_2\left(\mathrm{g}\right)\to \cdots \cdots$

Q. $C{H}_{3}C{H}_{2}C{H}_{2}C{H}_3\left(g\right)+13O_2\left(g\right)\to 8C{O}_2\left(g\right)+10H_{2}O\left(l\right)$
Identify the type of reaction.

1. Substitution reaction
2. Addition reaction
3. Polymerisation reaction
4. Combustion reaction

Q. Identify the type of reaction given.
$C{H}_2=C{H}_2\left(g\right)+H_2\left(g\right)\to C{H}_{3}C{H}_3\left(g\right)$

1. Substitution reaction
2. Addition reaction
3. Polymerisation reaction
4. Combustion reaction

Q. Complete and balance the given chemical reaction.
${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+{\text{O}}_2\text{(g)}\to$

1. ${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+4{\text{O}}_2\text{(g)}\to 4{\text{CO}}_2\text{(g)}+5{\text{H}}_2\text{(g)}$
2. ${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+{\text{O}}_2\text{(g)}\to {\text{CH}}_3{\text{CH}}_2\text{O (g)}+{\text{CH}}_3{\text{CH}}_2\text{O (g)}$
3. $2{\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+13{\text{O}}_2\text{(g)}\to 8{\text{CO}}_2\text{(g)}+10{\text{H}}_2\text{O (l)}$
4. $3{\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+6{\text{O}}_2\text{(g)}\to 12{\text{CH}}_3{\text{CH}}_2{\text{CH}}_2\text{O}{\text{CH}}_3\text{(g)}$

Q. Complete and balance the given chemical reaction.
${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+{\text{O}}_2\text{(g)}\to$

1. ${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+4{\text{O}}_2\text{(g)}\to 4{\text{CO}}_2\text{(g)}+5{\text{H}}_2\text{(g)}$
2. ${\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+{\text{O}}_2\text{(g)}\to {\text{CH}}_3{\text{CH}}_2\text{O (g)}+{\text{CH}}_3{\text{CH}}_2\text{O (g)}$
3. $2{\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+13{\text{O}}_2\text{(g)}\to 8{\text{CO}}_2\text{(g)}+10{\text{H}}_2\text{O (l)}$
4. $3{\text{CH}}_3{\text{CH}}_2{\text{CH}}_2{\text{CH}}_3\text{(g)}+6{\text{O}}_2\text{(g)}\to 12{\text{CH}}_3{\text{CH}}_2{\text{CH}}_2\text{O}{\text{CH}}_3\text{(g)}$

Q.

The reaction in which hydrocarbons combine with oxygen to form carbon dioxide and water along with heat and light is known as

1. Substitution reaction

2. Addition reaction

3. Polymerisation reaction

4. Combustion reaction