Chemistry Test ...

The cell constant (G^∗) of a conductivity cell is determined using:

Which reagent is used to oxidize a primary alcohol to an aldehyde without further oxidation to a carboxylic acid?

What is the correct IUPAC name of the compound

CH₃ − CH₂ − CH₂ − CH₂ − OH

Which of the following combination of statements is true regarding the interpretation of the atomic orbitals?

I. An electron in an orbital of high angular momentum stays away from the nucleus than an electron in the orbital of lower angular momentum.

II. For a given value of the principal quantum number, the size of the orbit is inversely proportional to the azimuthal quantum number.

III. According to wave mechanics, the ground state angular momentum is equal to h/2π.

IV. The plot of ψ vs r for various azimuthal quantum numbers, shows peak shifting towards higher r value.

For the reaction, 2A + B ⟶ products

When concentration of both (A and B) becomes double, then rate of reaction increases from 0.3 mol L⁻¹ s⁻¹ to 2.4 mol L⁻¹ s⁻¹

When concentration of only A is doubled, the rate of reaction increases from 0.3 mol L⁻¹ s⁻¹ to 0.6 mol L⁻¹ s⁻¹.

Which of the following is true?

Which of the following species is not paramagnetic?

Which type of hydrogen bond is present in o-nitrophenol ?

Which of the following alkynes exhibits position isomerism?

The depression in freezing point (ΔT_f) for a solution is given by:

For a dilute solution, the elevation in boiling point (ΔT_b) is proportional to: