Which among the following is the most covalent compound?

1. AlF3 2. AlCl3
3. AlBr3 4. AlI3

Subtopic:  Covalent Bond |
 70%
Level 2: 60%+
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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 |
 71%
Level 2: 60%+
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Which follows octet rule-

1. FeCl2

2. AgCl

3. CaCl2

4. CuCl

Subtopic:  Types of Chemical Bond |
 66%
Level 2: 60%+
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The type of bonds present in N2O5 are-

1. Only covalent

2. Only ionic

3. Ionic and covalent

4. Covalent and coordinate

Subtopic:  Types of Chemical Bond |
 69%
Level 2: 60%+
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Which of the following is not true according to VBT?

1. The overlapping of orbitals with unpaired electrons of opposite spins forms a covalent bond.
2. The overlapping of orbitals with unpaired electrons of the same spin forms a covalent bond.
3. The greater the extent of overlapping, the stronger the bond.
4. Overlapping takes place only in the direction of the maximum electron density of the orbital.
Subtopic:  V.S.E.P.R & V.B.T |
 72%
Level 2: 60%+
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The molecule having a high dipole moment among the following is-

1. H2S

2. BF3

3. CO2

4. CCl4

Subtopic:  Polarity |
 75%
Level 2: 60%+
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Allyl cyanide; C3H5CN has-

1. 9 sigma bonds and 4 pi bonds

2. 9 sigma bonds, 3 pi bonds and 1 lone pairs

3. 8 sigma bonds and 5 pi bonds

4. 8 sigma bonds, 3 pi bonds and 4 non-bonding electrons.

Subtopic:  Types of Chemical Bond |
 79%
Level 2: 60%+
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The hybridization of carbon atoms in C-C single bond of HC≡C-CH=CH2 is-

1. sp3-sp3

2. sp2-sp

3. sp-sp

4. sp3-sp

Subtopic:  Hybridisation |
 76%
Level 2: 60%+
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C-C bond in C2H6 undergoes heterolytic fission, the hybridisation of carbon is/are-

1. sp2

2. sp3

3. sp2,sp3

4. sp,sp2

Subtopic:  Hybridisation |
 52%
Level 3: 35%-60%
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The number of σ bonds, π bonds, and lone pairs respectively, in the enolic form of acetone is:

1. 9, 1, and 2

2. 8, 2, and 2

3. 10, 1 and 1

4. 9, 2, and 1

Subtopic:  Types of Chemical Bond |
 73%
Level 2: 60%+
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