Branching of Compounds

Q.

How many covalent bonds does $C_3{H}_8$ has?

1. 8

2. 3

3. 2

4. 10

Q.

Which of the below is/are isomers of n-nonane $C_9{H}_{20}$?

1. $C{H}_3-C{H}_2-C{H}_2-\underset{C{H}_3}{\underset{|}{C}H}-\underset{C{H}_3}{\underset{|}{C}H}-C{H}_2-\stackrel{C{H}_3}{\stackrel{|}{C}H}-C{H}_3$

2. $C{H}_3-C{H}_2-C{H}_2-\underset{C{H}_3}{\underset{|}{C}H}-C{H}_2-\stackrel{C{H}_3}{\stackrel{|}{C}H}-C{H}_3$

3. None of the above

4. $C{H}_3-\underset{C{H}_3}{\underset{|}{C}H}-C{H}_2-C{H}_3-\underset{C{H}_3}{\underset{|}{C}H}-C{H}_2-\stackrel{C{H}_3}{\stackrel{|}{C}H}$

Q.

What is the count of carbons in a alkane chain having 20 hydrogen atoms.

1. 9

2. 8

3. 10

4. 12

Q.

Find the total number of covalent bonds in propane.

1. 9

2. 8

3. 10

4. 6

Q. Match each of the given compounds with their corresponding number of branches.

1. zero
2. one
3. three

Q. The IUPAC name of the compound H3C−CH|C2H5−CH|C2H5−CH3 is .

1. 2, 3-diethylbutane
2. 3, 4-dimethylhexane
3. 2, 3-methylpentane

Q.
The IUPAC name of the given cmpound is .

1. $3,4-diethyl-4-methyloctane$
2. $5,6-diethyl-5-methyloctane$
3. $3,4-methyl-4-ethyloctane$

Q.
The IUPAC name of the given compound is .

1. $2-methyl-5-ethylheptane$
2. $5-ethyl-2-methylheptane$
3. $3-methyl-6-ethylheptane$

Q. The IUPAC name of the given compound is .

1. $2,2,3-trimethylbutane$
2. $2,3,3-trimethylbutane$
3. $1,1,2,2-tetramethylpropane$

Q. The minimum number of carbon atoms in a molecule should be 4 inorder to form a branched hydrocarbon.

1. False
2. True