A compound having the Highest Melting Point :

1. BeCl2

2. MgCl2

3. CaCl2

4. SrCl2

Subtopic:  Acidic, Basic Character & Fajan's Rule |
 58%
From NCERT
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The diamagnetic species among the following is-

1. NO

2. CO

3. O2

4. B2

Subtopic:  M.O.T |
 75%
From NCERT
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Which of the statements are not true for AlCl3-

1. AlCl3 fumes in moist air forms HCl with moisture

2. Anhydrous AlCl3 exists as Al2Cl6

3. Anhydrous AlCl3 is ionic

4. Anhydrous AlCl3 is trigonal planar molecule at higher temperature

Subtopic:  Covalent Bond |
 57%
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Valency expresses-

1. Total electrons in an atom

2. Atomicity of an element

3. Oxidation number of an element

4. Combining capacity of an element

Subtopic:  Types of Chemical Bond |
 67%
From NCERT
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Compounds that have a maximum value of lattice energy among the following, is:
 

1. NaF 2. NaCl
3. NaBr 4. NaI
Subtopic:  Lattice & Hydration Energy |
 75%
From NCERT
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A Compound with maximum ionic character is formed from:

1. Na and I 2. Cs and F
3. Cs and I 4. Na and F
Subtopic:  Ionic Bond |
 62%
From NCERT
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The crystal lattice of electrovalent compound is composed of :

1. Atoms

2. Molecules

3. Oppositely charged ions

4. Both molecules and ions

Subtopic:  Ionic Bond |
 77%
From NCERT
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Ions are formed from neutral atoms by-

1. Loss of electrons

2. Gain of electrons

3. Sharing of electrons

4. Loss and gain of electrons

Subtopic:  Ionic Bond |
 82%
From NCERT
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Most covalent compound among the following is :

1. AlF3 2. AlCl3
3. AlBr3 4. AlI3
Subtopic:  Covalent Bond |
 71%
From NCERT
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The correct order of covalent bond character among
LiCl, BeCl2, BCl3 and CCl4, is:

1. LiCl < BeCl2 > BCl3 > CCl4

2. LiCl > BeCl2 < BCl3 < CCl4

3. LiCl < BeCl2 < BCl3 < CCl4

4. LiCl > BeCl2 > BCl3 > CCl4

Subtopic:  Covalent Bond |
 70%
From NCERT
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