Chemistry Question Bank

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

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

CH CH C CH

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

Br will abstract which of the hydrogen most readily.

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

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

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

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

Eclipsed and the staggered conformations can be represented by

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

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

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

When cyclohexane is poured on water, it floats, because

The highest boiling point is expected for

Which of the following has the lowest boiling point ?

The compound with highest boiling point is

1-bromo-3-chlorocyclobutane when treated with two equivalents of Na, in the presence of ether which of the following will be formed? (a) (b) (c) (d)

An alkyl halide X reacts with sodium to form 3,8- dimethyldecane. What is X? (a) (b) (c) (d)

X is heated with soda-lime and gives propane, X is

Which of the following compounds can be best prepared by Wurtz-reaction?

X is heated with soda lime and gives ethane. X is

Butane (C4H10) has ...A... chain isomers. Here, A refers to

Structural isomers which differ in chain of carbon atoms are known as

Alkanes having difference in properties due to difference in their structures are known as