Chemistry Question Bank

When cyclohexane is poured on water, it floats, because

When a mixture of methane and oxygen is passed through heated molybdenum oxide, the main product formed is

On mixing alkane with chlorine and irradiating with ultraviolet light, it forms only one monochloroalkane. The alkane is

2-methyl butane on reacting with bromine in the presence of sunlight gives mainly

Eclipsed and the staggered conformations can be represented by

The repulsive interaction between the electron clouds, which affects stability of a conformation is termed as

The staggered form has the ...A... torsional strain and the eclipsed form has ...B... torsional strain. Here, A and B refer to

n-octane when heated to 773 K under a pressure of 10- 20 atm and in presence of a mixture of Cr O , V O and Mo O supported over Al O as catalyst, gives

Select the structure of the major product formed in the reaction (a) (b) (c) (d)

Br will abstract which of the hydrogen most readily.

and π bonds are obtained by ...A... and ...B... overlapping of orbitals. Here, A and B refer to

Strength of the double bond is ...A.,. than that of C—C single bond. Here, A refers to

But-1-ene and 2-methylprop-l-ene are the examples of

But-1-ene and but-2-ene are the examples of

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

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

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

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 ?

In the reactions, Na/NH Lindlar catalyst + H B RC CR A -> A and B are geometrical isomers. Then