Representation of organic compounds

Q. Convert the following condensed structures into Bond-line structure.
$C{H}_{3}CONHC{H}_{2}OC{H}_3$

1. 
2. 
3. 
4. 

Q. What is the hybridisation state of benzyl carbonium ? :-

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

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.

Which hybrid orbitals are used by carbon atoms in the following molecules?

CH₃–CH₃; (b) CH₃–CH=CH₂; (c) CH₃-CH₂-OH; (d) CH₃-CHO (e) CH₃COOH

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

1. 
2. 
3. 
4. 

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

Q. An organic molecule can be represented by which of the following formula?

1. Condensed Formula
2. Bond Line Formula
3. Molecular Formula
4. Expanded Formula

Q. The bond angle in diamond is:

1. ${104.5}^{\circ }$
2. ${107}^{\circ }$
3. ${120}^{\circ }$
4. ${109.5}^{\circ }$

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. Molecular formula of napthaquinone

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

Q. Which one of the following represent 3-D Structure ?

1. 
2. 
3. 
4. All of the above.

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

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

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

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

Q. Arrange the following in the decreasing dipole moment : ${CH}_{3}Cl,{CH}_2{Cl}_2,CH{Cl}_3,C{Cl}_4$ is: ${CH}_{3}Cl>{CH}_2{Cl}_2>CH{Cl}_3>C{Cl}_4$.
if true enter 1, else enter 0.

1. 1

Q. Groups which are left in Fischer projection are ____ in Haworth projection.

1. Left
2. Right
3. Up
4. Down

Q.

Explain structures of diborane and boric acid.

Q. Which one of the following represent 3-D Structure ?

1. 
2. 
3. 
4. All of the above.

Q. What is the correct Bond-line structure of the condensed structure given here:
$C{H}_{3}CONHC{H}_{2}OC{H}_3$

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. An organic molecule can be represented by which of the following formula?

1. Condensed Formula
2. Bond Line Formula
3. Molecular Formula
4. Expanded Formula

Q. In diborane molecule hydrogen bridge bond is formed because boron has:

1. shortage of 4 electrons required for bonding
2. 2 electrons more than required for bonding.
3. shortage of 2 electrons required for bonding
4. 4 electrons more than required for bonding

Q.

An unknown compound ( A) has a molecular formula C₄ H₆. When (A) is treated with excess of Br₂ a new substance (B) with formula C₄H₆ Br₄ is formed. (A) forms a white ppt. with ammoniacal silver nitrate. Compound A is

1. But-1-yne

2. But-2-yne

3. But-1-ene

4. But-2-ene

Q. Assertion :$C{H}_3-\stackrel{\stackrel{C{H}_3}{|}}{\underset{\underset{C{H}_3}{|}}{C}}-C{H}_2-Br+NaOH\to C{H}_3-\stackrel{\stackrel{C{H}_3}{|}}{\underset{\underset{C{H}_3}{|}}{C}}-C{H}_2-OH$ (major). Reason: It follows with formation of more stable carbanion.

1. Both Assertion and Reason are correct and Reason is the correct explanation for Assertion
2. Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion
3. Assertion is correct but Reason is incorrect
4. Both Assertion and Reason are incorrect

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

1. 
2. 
3. 
4. 

Q. Convert the following condensed structures into Bond-line structure.
$C{H}_{3}CONHC{H}_{2}OC{H}_3$

1. 
2. 
3. 
4. 

Q. Two molecules indicated below are capable to intramolecular H-bonding. Which is likely to form more stable hydrogen bonds?

1. I
2. II
3. Both are equally capable
4. Cannot be predicted

Q.

The hybridization of carbons labelled 3, 4 and 5 in

$H{C}^1-C^2-C^{3}H=C^4=C^{5}H-C^{6}H=C^7{H}_2$ are?

1. $S{P}^2$ only

2. $S{p}^2$ in C-4 and $S{P}^3$ in 3 and 5

3. $S{p}^2$ in C-3 and C-5 and $SP$ in C-4

4. $SP$ only

Q. $C{H}_3-C{H}_2-CH=CH-CHBr-CH=CH-C{H}_2-C{H}_3$
When the mixture of all stereoisomers of the given compound is subjected to fractional distillation, in how many fractions they will get separated?

Q.

A solid substance AB has a rock salt geometry . what is the coordination no. of A and B ? How many atoms of A and B are present in unit cell ?

Q. Write a chemical reaction to illustration Saytzeff's rule.