Chemistry Question Bank

Any ring system will be ‘aromatic’ in nature if it possesses: I. planarity. II. complete delocalisation of the electrons in the ring. III. it follows Huckel Rule. Choose the correct option.

Identify a reagent from the following list which can easily distinguish between 1-butyne and 2-butyne.

Which of the following reacts with KMnO4 but does not react with AgNO3?

Which is most acidic of the following ?

Choose the reagent to carry out the reaction.

1-butyne on oxidation with hot alkaline KMnO4 would yield

Predict the product of the reaction 1-butyne with 2 equivalents of HCl (a) (b) (c) (d)

Which of the following organic compounds exhibit acidic character ? (a) (b) (c) (d)

Acetylene on treating with Cu2Cl2 gives

Which of the following will give H2 gas with Na ?

In the following reaction, What is X ?

Products of the following reaction (i) O3 CH C C – CH CH ........ are (ii) Hydrolysis -> (a) CH CHO CH CH CHO (b) CH COOH CH COCH (c) CH COOH HOOC CH CH x (d) CH COOH CO

When propyne is treated with aqueous H2SO4 in presence of HgSO4, the major product is

Acetylene does not react with

Alkynes are ...A... polar in nature. Here, A refers to

Identify the compounds A and B in the following reaction sequence.

The major organic compound formed by the reaction of 1,1,1-trichloroethane with silver powder is

Calcium carbide on hydrolysis forms

When CH CH CHCl is treated with NaNH2, the product formed is

P should be (a) (b) (c) (d)

Identify the major product (a) (b) (c) (d)

How many isomers are possible for C4H10?

In the compound, , the C2-C3 bond is of the type

The number of and -bonds in but-1-ene-3-yne are

Bayer’s reagent is