The electron gain enthalpy (in kJ m o l ) of fluorine, chlorine, bromine and iodine, respectively, are

- 333 , - 349 , - 325 and - 296

- 296 , - 325 , - 333 and - 349

- 349 , - 333 , - 325 and - 296

- 333 , - 325 , - 349 and - 296

EASY

Earn 100

The property which is not true about fluorine is:

50% studentsanswered this correctly

Important Questions on p-Block Elements

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

The strongest reducing agent amongst the following is:

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

The electron gain enthalpy

Δ_{eg} H

Cl (g)

- 349 kJ {mol}^{- 1}

. If the ground state energy of

Cl (g)

x kJ {mol}^{- 1},

the ground state energy

(in kJ {mol}^{- 1})

{Cl}^{-} (g)

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

Which of the following has highest electron affinity?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

Which hydride is found in liquid state?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

The bond length of

Br - Br

{Br}_{2}

molecule is equal to

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

The most electronegative element belongs to _________

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

Why are halogens coloured.

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

Which of the following statement is correct?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

Which among the following does not form polyhalide ion?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

The electron gain enthalpy (in

\frac{kJ}{m o l}

) of fluorine, chlorine, bromine and iodine, respectively, are

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

Among the following reactions of hydrogen with halogens, the one that requires a catalyst is:

HARD

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

In Hall-Heroult process, the following is used for reducing

{Al}_{2} O_{3}

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

Chlorine water on standing loses its color and forms:

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

Why is

F_{2}

the strongest oxidizing agent (among halogens) although electron affinity of

{Cl}_{2}

is higher than

F_{2} ?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

The non-metal that does not exhibit positive oxidation state is:

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

$F$ -atom is more electronegative than $I$ -atom, yet $HF$ has lower acid strength than $HI$ . Why?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

Which one of the following reactions does not come under hydrolysis type reaction?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

The increasing order of the atomic radii of the following elements is:

(a) C

(b) O

(c) F

(d) C l

(e) B r

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

Which halogen has the highest value of negative electron gain enthalpy?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Anomalous Behaviour of Fluorine

Which of the following is not a mineral of fluorine?

The property which is not true about fluorine is:

Important Questions on p-Block Elements

Learn and Prepare for any exam you want !