List of top Chemistry Questions asked in Haryana PMT

In solid $CuSO_{4} \cdot 5H_{2}O$ copper is coordinated to number of water molecules

The acid having $ O-O $ bond is

The degree of dissociation of $XY$ in case of following reaction is found to be $ 0.4 $ from vapour density measurement. If the observed vapour density of $X Y$ be $100$ then its molecular weight is $ XY\to X+Y $

The integrated rate equation is $ kt=\log \,C_{0}-\log C_{t} $ . The straight line graph is obtained by plotting

A basic buffer solution is formed by selecting the pair

pH of $ HCl $ (conc. $ 0.1 \, mol/L $ ) is one. Compute the pH of $0.05\, mol/L$ solution of $ H_{2}SO_{4} $ .

What is the $pH$ at equivalence point in the titration of $0.1 \,M \,CH _{3} COOH$ and $0.1 \,M \,NaOH ?\left( K _{a}\right.$ for acetic acid is $1.8 \times 10^{-5}$ )

For the reaction, $ C(s)+CO_{2}(g)2CO(g) $ the partial pressure of $ CO_{2} $ and $ CO $ are $2.0$ and $4.0$ arm respectively then equilibrium $ K_{p} $ for the reaction will be

Solubility of $ AgCl $ will be minimum in

$ HCl $ is completely neutralised by $ NaOH $ solution. The resulting solution contains the following species

The dipole moment of HBr is $1.6 \times 10^{-30} $C-m and interatomic spacing is $1 \mathring{A}$. The per cent ionic character of HBr is

Protein is a polymer of

Maximum number of hydrogen bonding is in :

Which among the following species have the same number of electrons in its outermost as well as penultimate shell?

$C_{6} H_{5}-C H=C H C H O \xrightarrow{X} C_{6} H_{5} C H=C H C H_{2} O H$ In the above sequence $X$ can be:

For a reaction $H _{2}+ I _{2} \rightleftharpoons 2 HI$ at $721\, K$, the value of equilibrium constant is $50$. If $0.5$ moles each of $H_{2}$ and $I_{2}$ is added to the system, the value of equilibrium constant will be:

The ability of a given substance to assume two or more crystalline structure is called :

What is the oxidation state of $P$ in $Ba(H_{2}PO_{2})_{2}$ ?

Which of the following molecules has pyramidal shape?

Which of the following is dihydric alcohol?

Number of isomers possible for $C_{4}H_{8}O$ is

Which of the following molecules has pyramidal shape?

In the reaction $ A(s)+B(g)+$ heat $ \rightleftharpoons 2C(s)+2D(g) $ at equilibrium, pressure of $B$ is doubled to re-establish the equilibrium. The factor by which concentration of $D$ is changed, is:

The compound used for the preparation of $UF_6$ in the enrichment of ${92}_U^{235}$ is

The liquid crystal method is applicable to locate avein in the body because