List of top Chemistry Questions asked in Haryana PMT

The Van't Hoff factor $'i'$ accounts for

The order of reactivity of the following alcohols towards conc. $ HCl $ is:

The number of isomers which can be represented by formula $ C_{2}FClBrI $ , is:

The acid, not suitable for the preparation of hydrogen by the action of metals, is:

The geometry of $H_2S$ and its dipole moment are

Which of the following gas has highest heat of combustion?

When metals react with non-metals, the metal atom tends to

What bond order does $Li_2$ have?

The term $ \frac{-dc}{dt} $ in a rate equation refers to:

The molecular formula of Phosphorus is:

Polyethylene is a resin obtained by polymerization of:

$E^{o}$ for $F e^{2+}+2 e^{-} \rightarrow F e$ is $-0.44$ volt and $E^{o}$ for $Z n^{2+}+2 e^{-} \rightarrow Z n$ is $-0.76$ volt thus:

Which one of the following is least likely to act as a lewis base?

The molecule which has T-shaped structure is:

The conjugate acid of $ NH_{2}^{-} $ is:

Action of nitrous acid on ethyl amine gives:

Two nodal planes are present in

Mohrs salt is:

Which of the following give ammonia, on heating with $ NaOH $ ?

$pH$-scale was proposed by:

The amount of $H_{2}S$ , required to precipitate $1.69\,g.\, BaS$ from $BaCl_{2}$ solution is:

The solubility of a gas is directly proportional to the pressure of the gas. This statement is based on:

On dissolving $1$ mole each of the following acids in $1$ litre water, the acid which do not give a solution of $1 \,N $ strength is:

The radium and uranium atoms in a sample of uranium mineral are in the ratio of $1: 2.8 \times 10^{6}$ If half-life period of radium is $1620$ year, the half-life period of uranium will be:

Temin was awarded Nobel prize in the year :