Q.19 Among the following alkenes

1-butene cis-2-butene trans-2-butene

I II III

the order of decreasing stability is -

Q.3 The correct order of increasing basic no. of the

bases NH3, CH3NH2 and (CH3) 2NH is –

Q.5 Consider the acidity of the carboxylic acids :

(a) PhCOOH

(b) o – NO2C6H4COOH

(c) p – NO2C6H4COOH

(d) m –NO2C6H4COOH

Which of the following order is correct ?

Q.9 Amongst the following the most basic compound is–

Q.13 Which one of the following is the strongest base in aqueous solution ?

Q.14 Presence of a nitro group in a benzene ring-

Q.1 Which one of the following has the smallest heat of hydrogenation per mole ?

Q.4 The kind of delocalization involving sigma bond orbitals is called

Q.5 Most stable carbonium ion is -

Q.6 Arrange in order of decreasing trend towards SE reactions,

Chlorobenzene , Benzene,

I II

Aniline chloride, Toluene

III IV

Q.10 The formation of cynohydrin from a ketone is an example of -

Q.14 Read the following statement and explanation

and answer as per the option given below :

Assertion : Phenol is more reactive than

benzene towards electrophilic substitution

reaction.

Reason : In the case of phenol, the

intermediate cabocation is more resonance

stabilised.

Q.17 Which of the following has the highest nucleophilicity ?

Q.21 Maximum dipole moment will be of :

Q.26 Statement-1 : p-Hydroxybenzoic acid has a lower boiling point that o-hydroxybenzoic acid.

Because

Statement-2 : o-Hydroxybenzoic acid has intramolecular hydrogen bonding.