Among the following alkaline earth metal halides, the one which is covalent and soluble in organic solvents is:

1. Magnesium chloride

2. Beryllium chloride

3. Calcium chloride

4. Strontium chloride

Subtopic:  Chemical Properties |
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The structures of beryllium chloride in solid-state, and vapour state are :

1. Dimer, and Linear, respectively.

2. Chain in both.

3. Chain, and dimer, respectively.

4. Linear in both.

Subtopic:  Reasoning Questions |
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HCl was passed through a solution of CaCl2, MgCl2, and NaCl. Compound(s) that get crystallize is/are-

1. Only NaCl

2. Only MgCl2

3. NaCl, MgCl2, and CaCl2

4. Both MgCl2 and CaCl2

Subtopic:  Reasoning Questions |
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Identify the correct statement from the following.

1. The correct order of hydration enthalpies of alkaline earth cations is
Be2+ < Mg2+ < Ca2+ < Sr2+ < Ba2+

2. Lithium and Magnesium show some similarities in their physical properties as they are diagonally placed in the periodic table.

3. Lithium is softer among all alkali metals.

4. Lithium chloride is deliquescent and crystallizes as a hydrate, LiCl·6H2O.

Subtopic:  Reasoning Questions |
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Among the role of gypsum, CaSO4.2H2O in the setting of cement, identify the correct option from the following:

1. It fastens the setting process

2. It provides water molecules for the hydration process

3. It help to remove water molecules

4. It slows down the setting process

Subtopic:  Preparations, Properties & Uses of S Block Elements |
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Which of the following is an amphoteric hydroxide?

1.  BeOH2

2.  SrOH2

3.  CaOH2

4.  MgOH2

Subtopic:  Reasoning Questions |
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Crude sodium chloride obtained by crystallization of brine solution does not contain-

1. MgSO4

2. Na2SO4

3. MgCl2

4. CaSO4

Subtopic:  Compounds of Ca and Na -Preparations, Properties & Uses |
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Which of the alkali metal chloride (MCl) forms its dehydrate salt (MCl.2H2O) easily?

1. LiCl

2. CsCl

3. RbCl

4. KCl

Subtopic:  Reasoning Questions |
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Match List-I with List-II.
List-I List-II
(a) Li (i) absorbent for carbon dioxide
(b) Na (ii) electrochemical cells
(c) KOH (iii) coolant in fast breeder reactors
(d) Cs (iv) photoelectric cell
Choose the correct answer from the options given below:
(a) (b) (c) (d)
1. (ii) (iii) (i) (iv)
2. (iv) (i) (iii) (ii)
3. (iii) (iv) (ii) (i)
4. (i) (iii) (iv) (ii)
Subtopic:  Preparations, Properties & Uses of S Block Elements |
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LiF is sparingly soluble in water because it has
1. partial covalent character.
2. small electronegativity.
3. high lattice enthalpy.
4. low hydration enthalpy.

Subtopic:  Reasoning Questions |
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