List of top Chemistry Questions

The density of air is $0.001293\, g / cc$ at STP. Its vapour density is

The correct order of ease of dehydration of following is

The correct order of basic strength is

The coordination number in $hcp$ is

The compound formed as a result of oxidation of ethyl benzene by $KMnO_4$ is

The actinoids exhibits more number of oxidation states in general than the lanthanoids. This is because

Supercritical $CO_{2}$ is used as

Small liquid drops assume spherical shape because

Presence of a nitro group in a benzene ring

Photon of frequency $?$ has a momentum associated with it. If $c$ is the velocity of light, the momentum is

Styrene can be purified by

One mole of an ideal gas at an initial temperature of $T \,K$ does $6R$ joules of work adiabatically. If the ratio of specific heats of this gas at constant pressure and at constant volume is $5/3$, the final temperature of gas will be

Internal energy is sum of

Natural rubber is a polymer of

NaOH is

$\Psi^{2}=0$ represent

The compound

The number of geometrical isomers in $CH _{3} CH = CHCH _{2} CH = CH _{2}$ are

$A$ when added to silica will give $B A$ and $B$ are

Sodium hypohalite when dissolved in water will turn

$n$-Pentane and $iso$-pentane are the examples of which isomerism?

Cyano benzene has

The angular momentum of the electron in first excited energy state of hydrogen atom is

Litharge is chemically

Internal energy is sum of