Hydrocarbons Te...

The alkyne which will react with KMnO₄ to give pyruvic acid is

An aromatic compound X (C₇H₇Cl) on oxidation gives an aromatic compound Y. The soda lime decarboxylation of Y gives benzene. X is

Some of the polynuclear hydrocarbons having fused benzene ring system have the property of being

Majority of the reactions of alkynes are the examples of

Isopropyl bromide on Wurtz reaction gives

Which of the following is not aromatic?

The unusual behavior of benzene is explained by

Which of the following molecules will have dipole moment?

A. 2, 2-dimethylpropane
B. trans-pent-2-ene
C. cis-3-hexene
D. 2, 2, 3, 3-tetramethylbutane

Choose the correct IUPAC name of the given structure.

Which of the following organic compounds boils at the highest temperature?

The IUPAC name of is

In Friedel-Crafts alkylation reaction, when benzene is treated with an alkyl halide in the presence of a catalyst, alkylbenene is formed. The catalyst used is

The IUPAC name of the compound having the formula CH≡C-C=CH₂ is

When 3, 3-dimethyl-2-butanol is heated with H₂SO₄, the major product is

The compound which reacts with HBr obeying Markovnikoff's rule is

Which of the following method is not a synthetic method for production  of Benzene?

Arrange the following alkyl halides in decreasing order of the rate of -elimination reaction with alcoholic KOH:

A. CH₃-CH(CH₃)-CH₂Br
B. CH₃-CH₂-Br
C. CH₃-CH₂-CH₂-Br

Aromatic compounds are characterized by the presence of _____ π electrons in the ring where n is an integer (n = 0, 1, 2, . . .).

On mixing certain alkane with chlorine and irradiating it with ultraviolet light, it forms only one monochloro alkane. The alkane could be

The lowest alkene which is capable of exhibiting geometrical isomerism is

Among the three conformations of butane, the order of stability follows the sequence

Which preferred product will be formed when 2-methyl butane-1-ol is dehydrated?

In the following reaction, the compound A is

In the following reaction, identify product Z.

Directions: The following question has four choices out of which ONLY ONE is correct.

The strongest ortho-para and strongest meta-directing groups respectively are

Thus ethyne molecule consists of

Arrange the following in decreasing order of their boiling points. (A) n–butane (B) 2–methylbutane (C) n-pentane (D) 2,2–dimethylpropane

Which of the following statements are not correct for alkanes?

A. All C-H and C-C bonds are of lengths 1.12 A^o and 1.54 A^o, respectively.
B. All bond angles are tetrahedral, having a value of 109^o28/109.5^o.
C. The C-C chain is linear and not zigzag.
D. All alkanes exhibit isomerism.

Lindane can be obtained by the reaction of benzene with

Elimination of bromine from 2-bromobutane results in the formation of

The dihedral angle in the staggered conformation of C₂H₆ is

The number of position isomers of C₅H₈ is

Arrange the following alkanes in decreasing order of their boiling points:

A. n-butane
B. 2-methylbutane
C. n-pentane
D. 2, 2-dimethylpropane

Which of the following does not dissolve in conc. H₂SO₄?

When two hydrogen atoms in benzene are replaced by two similar or different monovalent atoms or groups, how many different position isomers are possible?