Representation of organic compounds

Q. Convert the following condensed structure into Bond-line structure
$(C{H}_3{)}_{2}CHC{H}_{2}C{H}_3$

1. 
2. 
3. 
4. 

Q. What is the hybridisation of triply bonded carbon atoms ?

1. $sp$
2. $s{p}^2$
3. $s{p}^3$
4. None of the above

Q. Convert the following condensed structure into Bond-line structure
$(C{H}_3{)}_{2}CHC{H}_{2}C{H}_3$

1. 
2. 
3. 
4. 

Q.
The number of stereoisomers which can be possible for the given compound will be?

1. 6
2. 8
3. 9
4. 16

Q. What is the correct condensed representation of the following structure?

1. $\left(C{H}_3{)}_{2}CHCH\right(C{H}_3{)}_2$
2. $(C{H}_3{)}_{2}CHC{H}_{2}C{H}_3$
3. $(C{H}_3{)}_{2}CC{H}_{2}C{H}_3$
4. $(C{H}_3{)}_{2}CHCHC{H}_3$

Q. What is the correct condensed representation of the following structure?

1. $\left(C{H}_3{)}_{2}CHCH\right(C{H}_3{)}_2$
2. $(C{H}_3{)}_{2}CHC{H}_{2}C{H}_3$
3. $(C{H}_3{)}_{2}CC{H}_{2}C{H}_3$
4. $(C{H}_3{)}_{2}CHCHC{H}_3$

Q. Molecular formula of napthaquinone

1. $C_{12}{H}_8{O}_2$
2. $C_{11}{H}_6{O}_2$
3. $C_{10}{H}_6{O}_2$
4. $C_{10}{H}_8{O}_2$

Q. Which of the following shows the correct condensed structural formula of a compound that has six carbon (C) atoms, 12 hydrogen (H) atoms and one oxygen (O) atom?

1. $H_{3}C(C{H}_3{)}_{2}C{H}_{2}CHO$
2. $H_{3}CC(C{H}_3{)}_{2}C{H}_{2}CHO$
3. $H_{3}CC(C{H}_3{)}_{2}CHCHO$
4. None of the above

Q. Which of the following is the correct bond line representation for the given expanded formula?

1. 
2. 
3. 
4. 

Q. Which one of the following shows the correct condensed structural formula of n-butane?

1. $H_{3}CC{H}_{2}C{H}_{2}C{H}_3$
2. 
3. 
4. None of the above

Q. Which of the following shows the correct condensed structural formula of a compound that has six carbon (C) atoms, 12 hydrogen (H) atoms and one oxygen (O) atom?

1. $H_{3}C(C{H}_3{)}_{2}C{H}_{2}CHO$
2. $H_{3}CC(C{H}_3{)}_{2}C{H}_{2}CHO$
3. $H_{3}CC(C{H}_3{)}_{2}CHCHO$
4. None of the above