Match the following compounds with their corresponding physical properties: Column-I Column-II (a) IBr (i) Orange solid (b) ClF 3 (ii) Yellow-green liquid (c) BrF 3 (iii) Black solid (d) ICl 3 (iv) Colorless gas

( a − iii ) , ( b − iv ) , ( c − ii ) , ( d − i )

( a − ii ) , ( b − i ) , ( c − iv ) , ( d − ii )

( a − i ) , ( b − ii ) , ( c − ii ) , ( d − iv )

( a − iv ) , ( b − ii ) , ( c − i ) , ( d − iii )

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

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Which of the following is expected to dissolve exothermically ?

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Important Questions on The p-Block Elements

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

Which of the following is the CORRECT reason for

HI

solution turning brown on exposure to air ?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

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

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

The strongest reducing agent amongst the following is:

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

Which of the following facts related to halogens is not correctly matched ?

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Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

Arrange the following bonds according to their average bond energies in descending order:

C - C l, C - B r, C - F, C - I

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

Match the following compounds with their corresponding physical properties:

	Column-I		Column-II
(a)	$IBr$	(i)	Orange solid
(b)	${ClF}_{3}$	(ii)	Yellow-green liquid
(c)	${BrF}_{3}$	(iii)	Black solid
(d)	${ICl}_{3}$	(iv)	Colorless gas

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

Which of the following has highest electron affinity?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

The correct order of the thermal stability of hydrogen halides

(H - X)

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

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

(a) C

(b) O

(c) F

(d) C l

(e) B r

MEDIUM

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

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>The p-Block Elements>Physical Properties of Group 17 Elements

The most electronegative element belongs to _________

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Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

Which among the following does not form polyhalide ion?

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

What are the correct orders of bond lengths

d_{X - X}

and bond dissociation enthalpies

{BDE}_{X - X}

for

F_{2}

and

{Cl}_{2}

? (where

X = F

Cl

)

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

Why is

F_{2}

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

{Cl}_{2}

is higher than

F_{2} ?

HARD

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

Which of the following is the correct order?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

The bond dissociation energy is highest for

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

Addition of phosphate fertilizers to water bodies causes:

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

Which of the following has the maximum vapour pressure?

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

The electron gain enthalpy (in

\frac{kJ}{m o l}

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

EASY

Chemistry>Inorganic Chemistry>The p-Block Elements>Physical Properties of Group 17 Elements

Which one of the following orders is correct for the bond dissociation enthalpy of halogen molecules?

Which of the following is expected to dissolve exothermically ?

Important Questions on The p-Block Elements

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