Hydrocarbons

The correct order regarding the electronegativity of hybrid orbitals of carbon is

1. sp < sp2 < sp3
2. sp > sp2 < sp3
3. sp > sp2 > sp3
4. sp < sp2 > sp3

Which one of the following alkenes will react faster with H2 under catalytic hydrogenation conditions ?

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

Products of the following reaction : CH3C CCH2CH3 [(ii) hydrolysis](i) O3 are

1. CH3COOH + CO2
2. CH3COOH + HOOC.CH2CH3
3. CH3CHO + CH3CH2CHO
4. CH3COOH + CH3COCH3

Using anhydrous AlCl3 as catalyst, which one of the following reactions produces ethylbenzene (PhEt)?

1. H3C-CH2OH + C6H6
2. CH3-CH=CH2 + C6H6
3. H2C=CH2 + C6H6
4. H3C-CH3 + C6H6

Reaction of HBr with propene in the presence of peroxide gives

1. isopropyl bromide
2. 3-bromopropane
3. allyl bromide
4. n-propyl bromide

The compound CH3- CH3 |C=CH-CH3 on reaction with NaIO4 in the presence of KMnO4 gives

1. CH3COCH3
2. CH3COCH3 + CH3COOH
3. CH3COCH3 + CH3CHO
4. CH3CHO + CO2

The correct order of reactivity towards the electrophilic substitution of the compounds aniline (I), benzene (II) and nitrobenzene (III) is

1. III > II > I
2. II > III > I
3. I < II > III
4. I > II > III

When CH3CH2CHCl2 is treated with NaNH2, the product formed is

1. CH3-CH=CH2
2. CH3-C CH
3. [figure]
4. [figure]

Which alkene on ozonolysis gives CH3CH2CHO and CH3COCH3?

1. [figure]
2. CH3CH2CH=CHCH2CH3
3. CH3CH2CH=CHCH3
4. [figure]

Increasing order of electrophilic substitution for following compounds [figure]

1. IV < I < II < III
2. III < II < I < IV
3. I < IV < III < II
4. II < III < I < IV