The correct statement regarding the comparison of staggered and eclipsed conformations of ethane is:

An unsaturated hydrocarbon 'A' reacts with two molecules of H₂ and upon reductive ozonolysis A gives butane-1,4-dial, ethanal, and propanone.

The IUPAC name of A is:

1. 2-Methylocta-2,6-diene

2. 2-Methylocta-1,5-diene

3. 3-Methylocta-2,6-diene

4. 2-Methylocta-1,6-diene

The most suitable reagent for the following conversion is-

1.  Hg²⁺/ H⁺, H₂O

2. Na/liquid NH₃

3. H₂, Pd/C, quinoline

4. Zn/HCl

Product Z in the above-mentioned reaction is:

1. $C{H}_3-(C{H}_2{)}_3-O-C{H}_{2}C{H}_3$

2. $(C{H}_3{)}_{2}C{H}_2-O-C{H}_{2}C{H}_3$

3. $C{H}_3(C{H}_2{)}_4-O-C{H}_3$

4. $C{H}_{3}C{H}_2-CH\left(C{H}_3\right)-O-C{H}_{2}C{H}_3$

The correct IUPAC name of the given compound is:

1. 3-Ethyl-4-ethenylheptane

2. 3-Ethyl-4-propylhex-5-ene

3. 3-(1-Ethyl propyl) hex-1-ene

4. 4-Ethyl-3-propylhex-1-ene

The incorrect IUPAC name among the following is:

1.
2.
3.
4.

The isobutyl group among the following is:
 

1.
2.	CH3–CH2–CH2–CH2–
3.
4.

Compound A (${\mathrm{C}}_4{\mathrm{H}}_8$) is treated with H₂O/H₂SO₄ gives ${\mathrm{C}}_4{\mathrm{H}}_{10}\mathrm{O}$, an optically inactive compound. The structure of A is-

1.	CH3CH2CH=CH2	2.	CH3CH=CHCH3
3.	(CH3)2C=CH2	4.

Which of the following statement(s) is/are correct about the elimination reaction of 2-Bromopentane to form pent-2-ene:
(a) $\mathrm{\beta }$-Elimination reaction
(b) Follows Zaitsev rule
(c) Dehydrohalogenation reaction
(d) Dehydration reaction

The dihedral angle of the least stable conformer of ethane is: