Chemical Properties of Carbon

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. What happens when ethene $\left({\text{C}}_2{\text{H}}_4\right)$ burns in the presence of excess of air?

1. Carbon monoxide is produced
2. Hydrogen gas is produced
3. Carbon dioxide is produced
4. Methane gas is produced

Q. When methane undergoes complete combustion, the products formed are:

1. carbon dioxide and water
2. carbon dioxide and hydrogen
3. oxygen and hydrogen
4. carbon monoxide and oxygen

Q.

When steam is passed over red hot coke, then a mixture of carbon monoxide and hydrogen gas is formed. This is called _____ gas.

1. industrial
2. natural
3. producer
4. water

Q. Will it undergo wurtz reaction?

Q. The hybridisation of $C$ in diamond, graphite and ethyne is in the order :

1. $sp,s{p}^2,s{p}^3$
2. $s{p}^2,s{p}^3,sp$
3. $s{p}^3,sp,s{p}^2$
4. $s{p}^3,s{p}^2,sp$

Q. Number of $1^0,2^0$ and $3^0$ hydrogen atoms isopentane are respectively?

1. 9, 2, 1
2. 6, 3, 1
3. 6, 2, 0
4. 6, 1, 1

Q. Alkenes and alkynes at higher temperature undergoes .......... to form polymers.

1. hydrolysis
2. polymerisation
3. decomposition
4. condensation

Q. A mixture containing $60$% cetane and $40$% iso-octane will have:

1. Cetane number $60$
2. Cetane number $40$
3. Octane number $40$
4. None of these

Q. Identify the final product ($B$) of the reaction
$C_6{H}_{5}COOH+NaH\stackrel{\ast }{C}{O}_3⟶gas\left(A\right)\underset{2.H_3{O}^{+}}{\overset{1.{CH}_{3}MgBr}{\to }}\left(B\right)(\stackrel{\ast }{C}=C^{14})$

1. $\stackrel{\ast }{C}{H}_{3}COOH$
2. $C_6{H}_5\stackrel{\ast }{C}OOH$
3. ${CH}_3\stackrel{\ast }{C}OOH$
4. $\stackrel{\ast }{H}COO{CH}_3$