Question

23. Place the following in order of increasing IE1.

\(\begin{array}{lll}\mathrm{N} & \mathrm{F} & \text { As }\end{array}\)

A) \(\mathrm{N}<\mathrm{As}<\mathrm{F}\)

B) \(A s<N<F\)

C) \(\mathrm{F}<\mathrm{N}<\mathrm{As}\)

D) As \(<F<N\)

E) \(\mathrm{F}<\mathrm{AS}<\mathrm{N}\)

24. Place the following in order of decreasing metallic character.

\(\mathrm{P} \quad\) As \(\quad \mathrm{K}\)

A) \(\mathrm{P}>\mathrm{As}>\mathrm{K}\)

B) \(\mathrm{As}>\mathrm{P}>\mathrm{K}\)

C) \(\mathrm{K}>\mathrm{P}>\mathrm{As}\)

D) \(\mathrm{As}>\mathrm{K}>\mathrm{P}\)

E) \(K>A s>P\)

25. Choose the paramagnetic species from below.

A) Ti4+

B) \(\mathrm{O}\)

C) \(\mathrm{Ar}\)

26. Give the set of four quantum numbers that could represent the electron gained to form the Br- ion from the \(\mathrm{Br}\) atom.

A) \(n=4, l=2, m l=1, m s=-\frac{1}{2}\)

B) \(n=4, l=0, m l=1\),

\(m s=+^{\frac{1}{2}}\)

C) \(n=4, l=1, m l=1, m s=-\frac{1}{2}\)

D) \(n=3, l=2, m l=2\),

\(m s=+^{\frac{1}{2}}\)

E) \(n=5, l=1, m l=-1, m s=+^{\frac{1}{2}}\)

Answer 1

First Ionization energy is defined as the amount of energy required to remove the outer most valence electrons from the gaseous atom.