Chemistry Question Bank

Consider the following compounds, Choose the correct statement(s) regarding the above organic compounds.

Which of the following is the major product when 1-butanol is heated with concentrated H2SO4?

The number of structural and configurational isomers of a bromo compound, C5H9Br, formed by the addition of HBr to 2-pentyne respectively, are

Conc.H SO ->Major product: (a) (b) (c)

When 2-butyne is treated with H2 in presence of Pd-BaSO4; the product formed will be

Cyclohexene is best prepared from cyclohexanol by which of the following?

Elimination of bromine from 2-bromobutane results in the formation of

When 2-chloro-2-methylbutane is heated with alcoholic KOH, the possible product/s is/are (i) (CH3)2 C=CHCH3 (ii) CH2=C(CH3)CH2CH3 (iii) (CH3)2CHCH=CH2

2-Hexyne gives trans-2-hexene on treatment with

What are the products of dehydrohalogenation of 2- iodopentane ?

2-phenyl propene on acidic hydration, gives

When one mole of an alkene on ozonolysis produces 2 moles of propanone, the alkene is

Which alkene on ozonolysis gives CH3CH2CHO and CH3COCH3?

An alkene, on ozonolysis gives formaldehyde and acetaldehyde. The alkene is

In the following sequence of reactions, the alkene gives the compound B. Identify B. CH3 – CH = CH – CH3 O H O/Zn A B -> ->

Products of the following reaction ? i O3 Me C=CHCH ii CH S 3 2 -> are

Arrange the below compounds in the decreasing order of reactivity towards HBr:

Give the major product of the following reaction 3,3-dimethyl-1-butene + HCl Major

(a) (b) (c) (d)

(a) (b) (c)

Identify the product of the reaction when molecule undergoes ozonolysis (I) (II) (III) (IV) (V)

Which compound will yield 5-keto-2-methyl hexanal upon treatment with O3? (a) (b) (c) (d)

Which of the following will decolorise alkaline KMnO4 solution?

Bayer’s reagent is

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