Match list-I with list-II : (a) Be (i) Treatment of cancer (b) Mg (ii) Extraction of metals (c) Ca (iii) Incendiary bombs and signals (d) Ra (iv) Windows of X-ray tubes (v) Bearings for motor engines. Choose the most appropriate answer, the option given below :

a - iv , b - iii , c - ii , d - i

a - iv , b - iii , c - i , d - ii

a - iii , b - iv , c - v , d - ii

a - iii , b - iv , c - ii , d - v

Match List - I with List - II List - I List - II (a) Ca ( OCl ) 2 (i) Antacid (b) CaSO 4 · 1 2 H 2 O (ii) Cement (c) CaO (iii) Bleach (d) CaCO 3 (iv) Plaster of paris Choose the most appropriate answer from the

a − iii , b − iv , c − ii , d − i

a − i , b − iv , c − iii , d − ii

a − iii , b − ii , c − iv , d − i

a - iii , b − ii , c - i , d - iv

EASY

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Write a short note on beryllium oxide.

Important Questions on The s-Block Elements

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Chlorides of which metal are soluble in organic solvents:

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

In context with beryllium, which one of the following statements is incorrect.

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Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Which among the following elements of group-2 exhibits anomalous properties?

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Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

The structures of beryllium chloride in the solid state and vapour phase, respectively, are:

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Which of the following is an amphoteric hydroxide?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

The suspension of slaked lime in water is known as

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Given below are two statements:

Statement I : The chlorides of $Be$ and $Al$ have Cl-bridged structure. Both are soluble in organic solvents and act as Lewis bases.

Statement II: Hydroxides of $Be$ and $Al$ dissolve in excess alkali to give beryllate and aluminate ions. In the light of the above statements. Choose the correct answer from the options given below.

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Magnesium powder burns in air to give

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Which of the following statement is incorrect about beryllium?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Among the statement (I – IV), the correct ones are:

(I) Be has smaller atomic radius compared to Mg.

(II) Be has higher ionization enthalpy than AI.

(III) Charge/radius ratio of Be is greater than that of Al.

(IV) Both Be and Al form mainly covalent compounds

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Dead burnt plaster is

HARD

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Consider the reaction sequence below:

Question Image

X is :

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Match list-I with list-II :


(a)	$Be$	(i)	Treatment of cancer
(b)	$Mg$	(ii)	Extraction of metals
(c)	$Ca$	(iii)	Incendiary bombs and signals
(d)	$Ra$	(iv)	Windows of X-ray tubes
		(v)	Bearings for motor engines.

Choose the most appropriate answer, the option given below :

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

On heating which of the following releases

C O_{2}

most easily?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Match List $- I$ with List $- II$

	List $- I$		List $- II$
(a)	$Ca (OCl)_{2}$	(i)	Antacid
(b)	${CaSO}_{4} \cdot \frac{1}{2} H_{2} O$	(ii)	Cement
(c)	$CaO$	(iii)	Bleach
(d)	${CaCO}_{3}$	(iv)	Plaster of paris

Choose the most appropriate answer from the

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

The element whose salts cannot be detected by flame test is.

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Magnesium is burnt in the air to form

A

and

B

. When

B

is hydrolyzed,

C

and

D

are formed.

D

is the reactant in the manufacture of nitric acid by Ostwald's process. What is

C

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

Assertion (A) : Beryllium and aluminium forms

{BeF}_{4}^{2 -}

and

{AIF}_{6}^{3 -}

Reason (R) : Both

{Be}^{2 +}

and

{Al}^{3 +}

have almost same ionic radius
The correct option among the following is

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

The covalent alkaline earth metal halide

(X = C l, B r, I)

is:

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Chemistry>Inorganic Chemistry>The s-Block Elements>Anomalous Behaviour of Beryllium

The electronegativity of aluminum is similar to:

Write a short note on beryllium oxide.

Important Questions on The s-Block Elements

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