List of top Chemistry Questions asked in KCET

Based on the first law oi thermodynamics, which one of the following is correct?

$25\,g$ of each of the following gases are taken at $27^\circ C$ and $600\, mm$ pressure. Which of these will have the least volume?

$50 \, cm^3$ of $0.2 \, N \, HCl$ is titrated against $0.1 \, N \, NaOH$ solution. The titration was discontinued after adding $50\, cm^3$ of $NaOH$. The remaining titration is completed by adding $0.5 \, N \, KOH$. The volume of $KOH$ required for completing the titration is

In chromite ore, the oxidation number of iron and chromium are respectively

During the adsorption of Krypton on activated charcoal at low temperature

Which one of the following is an intermediate in the reaction of benzene with $CH_3Cl$ in the presence of anhydrous $AlCl_3$?

Increasing order of carbon-carbon bond length for the following is $\underset{(A)}{C_2H_4}\,\, \underset{(B)}{C_2H_2}\,\, \underset{(C)}{C_6H_6}\,\, \underset{(D)}{C_2H_6}$

The following data is obtained during the first order thermal decomposition of $2A_{(g)} \rightarrow B_{(g)} + C_{(s)}$, at constant volume and temperature The rate constant in $min^{-1}$ is

$\alpha$ - maltose consists of

Consider the following gaseous equilibria with equilibrium constants $K_1$ and $K_2$ respectively. $SO_{2(g)} + \frac{1}{2} O_{2(g)} \leftrightharpoons SO_{3(g)}$ $2SO_{3(g)} \leftrightharpoons 2SO_{2(g)} + O_{2(g)}$ The equilibrium constants are related as

Which one of the following statements is false?

The number of naturally occurring p-block elements that are diamagnetic is

For the reversible reaction $A_{(s)}+B_{(g)}\leftrightharpoons C_{(g)} +D_{(g)} \Delta G^\circ=-350kJ $ which one of the following statements is true?

If the energies of the two photons are in the ratio of $3 : 2$, their wavelengths will be in the ratio of

The IUPAC name of the complex $[Co (NH_3)_4 Cl_2 ]Cl$ is

The spin only magnetic moment of $Fe^{2+}$ ion $(in\, B.M.)$ is approximately

A solution of two liquids boils at a temperature more than the boiling point of either of them. Hence, the binary solution shows

Rutherford's atomic model could account for

The yellow precipitate formed during the chromyl chloride test is chemically _____

The IUPAC name of these is

$50 \, cm^3\; of\; 0.2 \, N \, HCl$ is titrated against $0.1 \, N \, NaOH$ solution. The titration is discontinued after adding $50\,cm^3 \; of\; NaOH$. The remaining titration is completed by adding $0.5\, N\, KOH$. The volume of $KOH$ required for completing the titration is

For one mole of an ideal gas, increasing the temperature from $10^\circ C \, to\, 20^\circ C$________

Which one of the following forms propanenitrile as the major product?

The wave number of the spectral line in the emission spectrum of hydrogen will be equal to $\frac {8}{9}$ times the Rydberg's constant if the electron jumps from _______

$0.023\, g$ of sodium metal is reacted with $100 \,cm^3$ of water. The pH of the resulting solution is ______