The correct hybridization states of carbon atoms in the following compound are -

$\stackrel{1}{C}{H}_2=\stackrel{2}{C}H-\stackrel{3}{C}\equiv N$

1. C¹= sp , C²= sp³ , C³= sp²

2. C¹= sp² , C²= sp³ , ${\mathrm{C}}^3$= sp³

3. C¹= sp² , C²= sp² , ${\mathrm{C}}^3$= sp

4. C¹= sp³ , C²= sp³ , ${\mathrm{C}}^3$ = sp³

The number of σ and π bonds in the molecule $C_6{H}_6$ are -

The number of primary carbon atoms in the following compound are-

1. 6              

2. 2

3. 4               

4. 3

The $\mathrm{C}-\mathrm{H}$ bond distance is longer in -

1.  ${\mathrm{C}}_2{\mathrm{H}}_2$

2.  ${\mathrm{C}}_2{\mathrm{H}}_4$

3.  ${\mathrm{C}}_2{\mathrm{H}}_6$

4.  ${\mathrm{C}}_2{\mathrm{H}}_2{\mathrm{Br}}_2$

The IUPAC name of the above mentioned compound is - 

1. Citric acid

2. 3-Hydroxy pentane-1,5-dioic acid

3. 2-Hydroxypropane-1,2,3-tricarboxylic acid

4. 2-Carboxy-2-hydroxy propane-1,3-dicarboxylic acid

The IUPAC name of the above mentioned compound is - 

1. 2–Bromo-3–methylbutanoic acid

2. 2-Methyl-3-bromobutanoic acid

3. 3-Bromo-2-methylbutanoic acid

4. 3-Bromo-2,3-dimethylpropanoic acid.

The IUPAC name of the above mentioned compound is - 

1. 3, 4-Dimethylpentanoyl chloride

2. 1-Chloro-1-oxo-2,3-dimethylpentane

3. 2-Ethyl-3-methylbutanoylchloride

4. 2, 3-Dimethylpentanoyl chloride

The correct IUPAC name, among the following, is-

The IUPAC name of the above mentioned compound is - 

1. Pent-1-en-3-yne

2. Pent-1-ene-4-yne

3. Pent-4-yn-1-ene

4. Pent-1-en-4-yne