Hydrocarbons

The relative order of stability of conformers of 1,3-dimethylcyclohexane is (equatorial - e, axial-a)

Which of the following compound represent the correct structure of (2R, 3S)-2,3-pentanediol?

Arachno and nido structure of Boranes have general formula respectively

Phenylbenzoate can be prepared from phenol using which of the following name reaction?

The structure of a carborane, , is

Match List I with List II:
List I (Reaction) List II (Mettalo enzyme)
(A) (I) Cytochrome P-450
(B) (II) Catalase
(C) e-transfer protein (III) Ferredoxin
(D) (IV) Cytochrome (oxidase)
Choose the correct answer from the options given below:

Identify the major product in the following reaction

Deduce the structure of the product in the following reaction

Identify the major product in the following reaction.

Identify the major product in the following reaction.

The following reaction undergoes via _________ and is known as ______ reaction.

Choose the correct product formed in the following reaction

Match List I with List II

List I		List II
A.	Carbonyl compounds react with ylide to form alkene.	I.	Cannizzaro Reaction
B.	Ketone reacts with zinc-mercury amalgam in HCl as reducing agent to form alkane.	II.	Clemmensen Reduction
C.	Carbonyl compounds react with basic solution of hydrazine as reducing agent to produce alkane.	III.	Wittig Reaction
D.	Formaldehyde react with NaOH to form methanol.	IV.	Wolf-Kishner Reduction

Choose the correct answer from the options given below:

The bond enthalpies for C-H, C1-C1, C-C1 and H-Cl are 99, 58, 78 and 103 kcal/mol respectively. What will be the AH for the reaction
CH_4(g) + Cl_2(g) → CH₃Cl_(g) + HCl_(g)

Identify the major product in the following reaction

Which of the following compound is ionic in nature and soluble in water?

In nonpolar aprotic solvent which of the following will act as strongest base?

Predict the major product in the following reaction.

Which of the following are acetals ?

Treatment of 1-Methylcyclohexene with an ether solution of diborane (B₂H₆), followed by reaction with alkaline H₂O₂ produces which of the following product ?

At 20°C pure water requires 102.2 seconds to flow through the capillary of an Ostwald Viscometer while toluene at 20°C requires 68.9 seconds. Calculate the relative viscocity of the toluene. Densities of water and toluene are 0.998 and 0.866 g cm^-3 respectively.

Which of the following statement is not correct regarding five membered heterocyclic compounds?

A nitrogen containing compound dissolves in 10% aq. sulphuric acid. The Hinsberg test gives a solid product that is not soluble in 10% aq. NaOH. Which one of the following compounds best fits the above facts?