Chemistry Test ...

Among the following, element that has the highest electronegativity is

Compare the stability of the following carbanions:

i. OH− i . O H -

ii.SH−

iii. Cl−

The first (Δ_iH₁) and the second (Δ_iH₂) ionization enthalpies (in kJ mol⁻¹) and the ΔegH ∆ egH electron gain enthalpy (in kJ mol⁻¹) of a few elements are given below:

Which of the above is likely to be the metal which can form a predominantly stable covalent halide of the formula MX MX (X = halogen)?

Which of the following arrangements represents the increasing order (smallest to largest) of ionic radii of the given species O²-, S²-, N³-, P³- ?

A sudden large jump between the values of second and third ionisation energies of an element would be associated with the electronic configuration

The element having 18 electrons in its outermost shell is:

Of the following elements, which one has the highest electronegativity?

Among the following, select the incorrect statement about the helium.

What will be the correct order of 2^nd ionization potentials of the elements Na, K, Al, Mg.

The electroplating technique was given by