Hydrocarbons

When sec-butylcyclohexane reacts with bromine in the presence of sunlight, the major product is :

1. [figure]
2. [figure]
3. [figure]
4. [figure]

The compound with molecular formula C6H6, which gives only one monobromo derivative and takes up four moles of hydrogen per mole for complete hydrogenation has electrons.

The incorrect statement regarding ethyne is

1. The carbon-carbon bond in ethyne is weaker than that in ethene
2. Both carbons are sp hybridised
3. The C-C bond in ethyne is shorter than that in ethene
4. Ethyne is linear

Number of compounds from the following which cannot undergo Friedel-Crafts reactions is: toluene, nitrobenzene, xylene, cumene, aniline, chlorobenzene, m-nitroaniline, m-dinitrobenzene

The major product of the following reaction is P. CH3C C - CH3 [ (ii) dil. KMnO4 \ 273 K](i) Na/liq. NH3 'P' Number of oxygen atoms present in product 'P' is . (nearest integer)

Given below are two statements : In the light of the above statements, choose the most appropriate answer from the options given below :

1. Both Statement I and Statement II are incorrect
2. Statement I is correct but Statement II is incorrect
3. Statement I is incorrect but Statement II is correct
4. Both Statement I and Statement II are correct

Consider the given chemical reaction : [figure] Product "A" is :

1. picric acid
2. oxalic acid
3. adipic acid
4. acetic acid

Which of the following compound will most easily be attacked by an electrophile?

1. [figure]
2. [figure]
3. [figure]
4. [figure]

Total number of deactivating groups in aromatic electrophilic substitution reaction among the following is . [figure]

In the given reactions identify A and B [figure] CH3-C C-CH3 + H2 Na/Liquid NH3 “B”

1. A : n-Pentane B : Cis - 2 - butene
2. A : 2-Pentyne B : Cis-2-butene
3. A : n-Pentane B : trans-2-butene
4. A : 2-Pentyne B : trans-2-butene