Chemistry Question Bank

CH CH C CH

Acetylenic hydrogens are acidic because

The product A, is (a) (b) (c) (d)

Among the following, the aromatic comopound is: (a) (b) (c) (d)

Which is not aromatic compound? _

The compound X in the reaction, (a) (b) (c) (d)

The molecular formula of diphenyl methane is C 13H How many structural isomers are possible when one of the hydrogen is replaced by a chlorine atom?

The most reactive nucleophile among the following is : (a) CH O (b) C H O

The correct structure of 4-bromo-3-methyl but-1-ene is

Which of the following compounds possesses the C—H bond with the lowest bond dissociation energy?

Hybridisation states of C in + CH and CH are (a) sp & sp

Which of the following represents the correct order of the acidity in the given compounds ?

Correct order of basicity of various nitrogen in

Which will not show geometrical isomerism ?

How many geometrical isomers of this cyclodecene are possible ?

Maximum enol content is in (a) (b) (c) (d)

Assertion : The carbocation CF CH is less stable than CF . Reason : In case of CF CH ,CF is strong electron withdrawing, therefore increases +ve charge whereas in CF , lone pair of ‘F’ overlap with vacant p-orbital of…

Assertion: A compound with delocalised electrons is more stable than that compound would be if all its electrons were localised. Reason: The extra stability, a compound gains as a result of having delocalised electron…

Assertion : Tropylium cation is aromatic in nature. Reason :The only property that determines its aromatic behaviour is planar structure.

Assertion: NF is a weaker ligand than N CH . Reason: NF ionizes to give Fions in aqueous solution.

The type of isomerism observed in urea molecule is

Which of the following represents the given mode of hybridisation sp -sp -sp-sp from left to right ? (a) H C CH C N

The number of sigma electrons in toluene are

Among the following, the strongest nucleophile is : (a) C H SH (b) CH COO (c) CH NH (d) NCCH

The IUPAC name of is