Alkaline Metals

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JEE Advanced 2022

LIST-I contains compounds and LIST-II contains reactions. Match each compound in LIST-I with its formation reaction(s) in LIST-II.

List-I

H_{2} O_{2}

(Q)

Mg(OH)_{2}

(R)

BaCl_{2}

(S)

CaCO_{3}

List-II

(1)

Mg(HCO_{3})_{2} + Ca(OH)_{2} \to

(2)

BaO_{2} + H_{2} SO_{4} \to

(3)

Ca(OH)_{2} + MgCl_{2} \to

(4)

BaO_{2} + HCl \to

(5)

Ca(HCO_{3})_{2} + Ca(OH)_{2} \to

JEE Main 2021

LEVELJEE Main

Match List-I with List-II. \begin{array}{|l|l|} \hline \text{List-I} & \text{List-II} \\ \hline \text{A. Be} & \text{1. Treatment of cancer} \\ \text{B. Mg} & \text{2. Extraction of metals} \\ \text{C. Ca} & \text{3. Incendiary bombs and signals} \\ \text{D. Ra} & \text{4. Windows of X-ray tubes} \\ & \text{5. Bearings for motor engines.} \\ \hline \end{array} Choose the most appropriate answer the option given below.

An alkaline earth metal ' $M$ ' readily forms water soluble sulphate and water insoluble hydroxide. Its oxide $M O$ is very stable to heat and does not have rock-salt structure. $M$ is

Match List-I with List-II. $List-I (A) Ca(OCl)_{2} (B) CaSO_{4} \cdot \frac{1}{2} H_{2} O (C) CaO (D) CaCO_{3} List-II (i) Antacid (ii) Cement (iii) Bleach (iv) Plaster of Paris$ Choose the most appropriate answer from the options given below.

(A)

A-(i), B-(iv), C-(iii), D-(ii)

(B)

A-(iii), B-(ii), C-(iv), D-(i)

(C)

A-(iii), B-(iv), C-(ii), D-(i)

(D)

A-(iii), B-(ii), C-(i), D-(iv)

JEE Main 2020

LEVELJEE Main

Match the following compounds (Column -I) with their uses (Columns -II). $Column -I (I) Ca(OH)_{2} (II) NaCl (III) CaSO_{4} \cdot \frac{1}{2} H_{2} O (IV) CaCO_{3} Column - II (A) Casts of statues (B) White wash (C) Antacid (D) Washing soda preparation$

(A)

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

(B)

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

(C)

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

(D)

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

JEE Main 2020

LEVELJEE Main

Among the sulphates of alkaline earth metals, the solubilities of $BeSO_{4}$ and $MgSO_{4}$ in water, respectively, are

What are the products formed in sequence when excess of $CO_{2}$ is passed in slaked lime?

(A)

Ca(HCO_{3})_{2}, CaCO_{3}

(B)

CaCO_{3}, Ca(HCO_{3})_{2}

(C)

CaO, Ca(HCO_{3})_{2}

(D)

CaO, CaCO_{3}

JEE Main 2004

LEVELJEE Main

One mole of magnesium nitride on reaction with an excess of water gives

(A)

one mole of ammonia

(B)

one mole of nitric acid

(C)

two moles of ammonia

(D)

two moles of nitric acid

JEE Main 2020

LEVELJEE Main

Among the statements (I-IV), the correct ones are : (I) Be has smaller atomic radius compared to Mg. (II) Be has higher ionisation enthalpy than Al. (III) Charge/radius ratio of Be is greater than that of Al. (IV) Both Be and Al form mainly covalent compounds.

A metal $M$ forms water soluble $M S O_{4}$ and inert $M O$ . $M O$ in aqueous solution forms insoluble $M (O H)_{2}$ , soluble in NaOH. Metal $M$ is

* Multiple Correct Options

The major component/ingredient of Portland cement is

When gypsum is heated to $393 K$ , it forms :

(A)

Dead burnt plaster

(B)

CaSO_{4} \cdot 0.5 H_{2} O

(C)

CaSO_{4} \cdot 5 H_{2} O

(D)

Anhydrous

CaSO_{4}

LEVELJEE Main

The substance not likely to contain $CaCO_{3}$ , is

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

Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy?

(A)

CaSO_{4}

(B)

BeSO_{4}

(C)

BaSO_{4}

(D)

SrSO_{4}

JEE Main 2019

LEVELJEE Main

Magnesium powder burns in air to give

(A)

MgO

and

Mg_{3} N_{2}

(B)

Mg(NO_{3})_{2}

and

Mg_{3} N_{2}

(C)

MgO

only

(D)

MgO

and

Mg(NO_{3})_{2}

JEE Main 2021

LEVELJEE Main

Given below are two statements : One is labelled as Assertion (A) and the other is labelled as Reason (R). Assertion (A) Barium carbonate is insoluble in water and is highly stable. Reason (R) The thermal stability of the carbonates increases with increasing cationic size. In the light of the above statements, choose the most appropriate answer from the options given below.

(A)

Both (A) and (R) are true and (R) is the correct explanation of (A).

(B)

(A) is true but (R) is false.

(C)

Both (A) and (R) are true and (R) is not the true explanation of (A).

(D)

(A) is false but (R) is true.

JEE Main 2021

LEVELBoard

The number of water molecules in gypsum, dead burnt plaster and plaster of Paris, respectively are

The conversion of hydroxyapatite occurs due to presence of $F^{-}$ ions in water. The correct formula of hydroxyapatite is

(A)

[3 C a_{3} (P O_{4})_{2} \cdot C a (O H)_{2}]

(B)

[3 C a (O H)_{2} \cdot C a F_{2}]

(C)

[C a_{3} (P O_{4})_{2} \cdot C a F_{2}]

(D)

[3 C a_{3} (P O_{4})_{2} \cdot C a F_{2}]

JEE Main 2019

LEVELJEE Main

The metal used for making X-ray tube window is

Which of the following on thermal decomposition yields a basic as well as acidic oxide?

(A)

NaNO_{3}

(B)

KClO_{3}

(C)

CaCO_{3}

(D)

NH_{4} NO_{3}

JEE Main 2019

LEVELJEE Main

The alkaline earth metal nitrate that does not crystallise with water molecules, is

(A)

Ca(NO_{3})_{2}

(B)

Sr(NO_{3})_{2}

(C)

Ba(NO_{3})_{2}

(D)

Mg(NO_{3})_{2}

JEE Main 2019

LEVELJEE Main

The covalent alkaline earth metal halide ( $X = Cl, Br, I$ ) is

(A)

SrX_{2}

(B)

CaX_{2}

(C)

MgX_{2}

(D)

BeX_{2}

JEE Main 2021

LEVELJEE Main

Number of amphoteric compounds among the following is ......... . (a) $BeO$ (b) $BaO$ (c) $Be(OH)_{2}$ (d) $Sr(OH)_{2}$

JEE Main 2021

LEVELJEE Main

Given below are two statements. Statement I Both $CaCl_{2} \cdot 6 H_{2} O$ and $MgCl_{2} \cdot 8 H_{2} O$ undergo dehydration on heating. Statement II $BeO$ is amphoteric, whereas the oxides of other elements in the same group are acidic. In the light of the above statements, choose the correct answer from the options given below.

(A)

Statement I is false but statement II is true

(B)

Both statement I and statement II are false

(C)

Both statement I and statement II are true

(D)

Statement I is true but statement II is false

LIST-I contains compounds and LIST-II contains reactions. Match each compound in LIST-I with its formation reaction(s) in LIST-II.

List-I

List-II

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } Among the sulphates of alkaline earth metals, the solubilities of BeSO4​ and MgSO4​ in water, respectively, are

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } What are the products formed in sequence when excess of CO2​ is passed in slaked lime?

One mole of magnesium nitride on reaction with an excess of water gives

Among the statements (I-IV), the correct ones are : (I) Be has smaller atomic radius compared to Mg. (II) Be has higher ionisation enthalpy than Al. (III) Charge/radius ratio of Be is greater than that of Al. (IV) Both Be and Al form mainly covalent compounds.

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } A metal M forms water soluble MSO4​ and inert MO. MO in aqueous solution forms insoluble M(OH)2​, soluble in NaOH. Metal M is

The major component/ingredient of Portland cement is

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } When gypsum is heated to 393 K, it forms :

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The substance not likely to contain CaCO3​, is

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

Which one of the following alkaline earth metal sulphates has its hydration enthalpy greater than its lattice enthalpy?

Magnesium powder burns in air to give

The number of water molecules in gypsum, dead burnt plaster and plaster of Paris, respectively are

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The conversion of hydroxyapatite occurs due to presence of F− ions in water. The correct formula of hydroxyapatite is

The metal used for making X-ray tube window is

Which of the following on thermal decomposition yields a basic as well as acidic oxide?

The alkaline earth metal nitrate that does not crystallise with water molecules, is

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } The covalent alkaline earth metal halide (X=Cl, Br, I) is

.math-text-wrapper .katex { font-size: 1.05em !important; } .math-text-wrapper .katex-display { margin: 1rem 0 !important; } Number of amphoteric compounds among the following is ......... . (a) BeO (b) BaO (c) Be(OH)2​ (d) Sr(OH)2​

Among the sulphates of alkaline earth metals, the solubilities of $BeSO_{4}$ and $MgSO_{4}$ in water, respectively, are

What are the products formed in sequence when excess of $CO_{2}$ is passed in slaked lime?

A metal $M$ forms water soluble $M S O_{4}$ and inert $M O$ . $M O$ in aqueous solution forms insoluble $M (O H)_{2}$ , soluble in NaOH. Metal $M$ is

When gypsum is heated to $393 K$ , it forms :

The substance not likely to contain $CaCO_{3}$ , is

The conversion of hydroxyapatite occurs due to presence of $F^{-}$ ions in water. The correct formula of hydroxyapatite is

The covalent alkaline earth metal halide ( $X = Cl, Br, I$ ) is

Number of amphoteric compounds among the following is ......... . (a) $BeO$ (b) $BaO$ (c) $Be(OH)_{2}$ (d) $Sr(OH)_{2}$