Match List-I with List-II List-I List-II (A) Cl 2 O 7 (I) Amphoteric (B) Na 2 O (II) Basic (C) Al 2 O 3 (III) Neutral (D) N 2 O (IV) Acidic Choose the correct answer from the options given below

A - IV , B - II , C - I , D - III

A - IV , B - III , C - I , D - II

A - II , B - IV , C - III , D - I

A - I , B - II , C - III , D - IV

MEDIUM

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Define simple and mixed oxides and give two examples of each.

Important Questions on p-Block Elements

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

HARD

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

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

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

{Al}_{2} O_{3}

is amphoteric in nature. Mention it by chemical equation.

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Among the following, basic oxide is

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Amphoteric oxide among the following :

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

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

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Observe the following chemical equations:

(i) ${Al}_{2} O_{3} + 2 NaOH \to 2 {NaAlO}_{2} + H_{2} O$

(ii) ${Al}_{2} O_{3} + 6 HCl \to 2 {AlCl}_{3} + 3 H_{2} O$

What is the conclusion that you take about the nature of aluminium oxide with the help of these equations? Give a reason for your conclusion.

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which of the following is amphoteric oxide?

${Mn}_{2} O_{7}, {CrO}_{3}, {Cr}_{2} O_{3}, CrO, V_{2} O_{5}, V_{2} O_{4}$

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Match List-I with List-II

	List-I		List-II
(A)	${Cl}_{2} O_{7}$	(I)	Amphoteric
(B)	${Na}_{2} O$	(II)	Basic
(C)	${Al}_{2} O_{3}$	(III)	Neutral
(D)	$N_{2} O$	(IV)	Acidic

Choose the correct answer from the options given below

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

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

HARD

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

The pair(s) of reagents that yield paramagnetic species is/are

EASY

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which pair of oxides is acidic in nature?

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

HARD

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Explain why in spite of nearly the same electronegativity, oxygen forms hydrogen bonding while chlorine does not.

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Give one example of mixed oxide. Why is it called mixed oxide?

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Oxygen exhibits

+ 2

oxidation state in the compound

MEDIUM

Chemistry>Inorganic Chemistry>p-Block Elements>Oxides

Which one of the following is an oxide?

Define simple and mixed oxides and give two examples of each.

Important Questions on p-Block Elements

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