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The oxidation states of sulphur in the anions ${SO}_{3}^{2 -}, S_{2} O_{4}^{2 -}$ and $S_{2} O_{6}^{2 -}$ follow the order

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Important Questions on p-Block Elements

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Arrange

H_{2} O, H_{2} S

and

H_{2} Se

in order of increasing acidity.

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which is the correct thermal stability order for

H_{2} E (E = O, S, S e, T e a n d P o) ?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which of the following statements are correct for hydrides of

16^{th}

group elements?
I) Boiling point is highest for water and lowest for hydrogen sulphide
II) Bond dissociation enthalpy is highest for water and lowest for hydrogen sulphide
III Reducing property increases from

H_{2} S

H_{2} Te

IV)

Δ_{f} H

(Enthalpy of formation) is more negative for

H_{2} O

and more positive for

H_{2} Te

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Assertion A :

{SF}_{6}

is highly stable
Reason (R) :

{SF}_{6}

is a gas
The correct option among the following is

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which of the following is also called as nitrogen sesquioxide?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

The correct order of acidic character of the following is:

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Acidity of diprotic acids in aqueous solutions increases in the order:

HARD

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

The metal which DOES NOT directly react with oxygen is

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which of the set of oxides are arranged in the proper order of basic, amphoteric, acidic?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Among

C, S

and

P

, the element (s) that produce (s)

{SO}_{2}

on reaction with hot conc.

H_{2} {SO}_{4}

is/are

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which among the following hydrides is not a reducing agent?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which one of the following is an oxide?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which of the hydrides of group

16

elements is least reducing?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

In which one of the following arrangements the given sequence is not strictly according to the properties indicated against it?

HARD

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

The common oxidation states of selenium are

HARD

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which of these is a mixed oxide?

HARD

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

The basic oxide among the following is

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which pair of oxides is acidic in nature?

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

The element that combines with oxygen to give an amphoteric oxide is-

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

The oxidation states of

Cr

[Cr {(H_{2} O)}_{6}] {Cl}_{3}, [Cr {(C_{6} H_{6})}_{2}]

and

K_{2} [Cr {(CN)}_{2} {(O)}_{2} (O_{2}) ({NH}_{3})]

, respectively, are:

The oxidation states of sulphur in the anions SO32-,S2O42- and S2O62- follow the order

Important Questions on p-Block Elements

Learn and Prepare for any exam you want !

The oxidation states of sulphur in the anions ${SO}_{3}^{2 -}, S_{2} O_{4}^{2 -}$ and $S_{2} O_{6}^{2 -}$ follow the order