Prefixes for Organic Nomenclature

Q. Which one of the following structure represent Isopentyl group?

1. 
2. 
3. 
4. 

Q.

how many structural isomers can be formed of _​​C₅H₁₀O

Q.

Are acyl and acetyl the same?

Q. Write the increasing order of the value is CFSE for the following species [Co(NH3)6]3+ [Rh(NH3)6]3+ [Ir (NH3)6]3+

Q. 26. Which of the following will exhibit chirality ? A) 2- methylhexane B) 3- methylhexane C) Neopentane D) Isopentane

Q. Which prefix will be used for the following group?

1. Neo
2. Tertiary
3. Secondary
4. Iso

Q.

Highest oxidation state of manganese in fluoride is $+4\left(Mn{F}_4\right),$ but the highest oxidation state in oxides is $+7\left(M{n}_2{O}_7\right)$ because ____________.

1. fluorine is more electronegative than oxygen.

2. In covalent compounds, fluorine can form single bond only while oxygen forms double bond.

3. fluorine does not possess $d-orbitals.$

4. fluorine stabilises lower oxidation state.

Q. What should be the priority carbon chain length or functional group?
Because both give different answer

Q. What type of isomerism exists between the following pairs of compounds?
(i) Pentan-1-ol and 3-Methylbutan-1-ol
(ii) Ethanol and Dimethyl ether
(iii) Butan-1-ol and Butan-2-ol

1. (i) Chain isomerism (ii) Functional isomerism (iii) Position isomerism
2. (i) Functional isomerism (ii) Chain isomerism (iii) Position isomerism
3. (i) position isomerism (ii) Chain isomerism (Iii) Functional isomerism
4. (i) Chain isomerism (ii) Position isomerism (iii) Functional isomerism

Q.

How many structural isomers of C6H12 having 3 member ring?

Q. ntif 8 g mol of pcl5 heated in a closed vessel of 10 l capacity and 25 % of its dissociated into PCl3 and Cl2 at the equilibrium then value of kp will be equal to.n

Q. The compound which has one isopropyl group is

1. 2, 2, 3, 3-Tetramethylpentane
2. 2, 2-Dimethylpentane
3. 2, 2, 3-Trimethylpentane
4. 2-Methylpentane

Q.

what is the difference between aryl and benzene?

Q. Which prefix will be used for the following group?

1. Neo
2. Tertiary
3. Secondary
4. Iso

Q. Which of the following is the correct suffix for the alkyl group?

1. yl
2. ane
3. ene
4. None of the above

Q. 49. The colorless species is A. VCl3 B. VOSO4 C.Na3VO4 D.[V(H2O)6]SO4.H2O

Q.

What is the name of the cyclohexane conformation?

1. Chair

2. Half chair

3. Twist Boast

4. Boat

Q. How do you determine D or L isomers?

Q. Fill in the blanks:
In case a carbon compound consists two functional groups one of which is $-COOH$ group, the numbering of the chain should start from carbon atom linked to ______

Q. Which of the following is the correct suffix for the alkyl group?

1. None of the above
2. yl
3. ane
4. ene

Q. The common name of the group, $(C{H}_3{)}_{2}CHC{H}_2-$ is :

1. Isobutyl
2. tert-butyl
3. Neopentyl
4. sec-butyl