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The stability of an ionic crystal depends principally on _______.          

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Important Questions on Chemical Bonding and Molecular Structure

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Chemistry Crash Course NEET>Chapter 13 - Chemical Bonding and Molecular Structure>Level 2>Q 13
An example for an electron deficient molecule is ________
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Chemistry Crash Course NEET>Chapter 13 - Chemical Bonding and Molecular Structure>Level 2>Q 14
The octahedral geometry results due to ______hybridisation
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Chemistry Crash Course NEET>Chapter 13 - Chemical Bonding and Molecular Structure>Level 2>Q 15
The electronegativity values of C, H, O, N and S are 2.5, 2.1, 3.5. 3.0 and 2.5, respectively. Which of the following is the most polar?
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Chemistry Crash Course NEET>Chapter 13 - Chemical Bonding and Molecular Structure>Level 2>Q 16
If in a polar molecule, the ionic charge is 2.6 × 10-10 e.s.u. and, the interionic distance is 0.8 Å, then the dipole moment is_______. 
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Chemistry Crash Course NEET>Chapter 13 - Chemical Bonding and Molecular Structure>Level 2>Q 17
The table given below lists the bond dissociation energy (Ediss) for single covalent bonds formed between C and atoms A, B, D, E.
Bond Ediss (kcal mol–1)
C–A 240
C–B 352
C–D 276
C–E 486

Which of the following atoms has the smallest size?

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Chemistry Crash Course NEET>Chapter 13 - Chemical Bonding and Molecular Structure>Level 2>Q 18
A chemical bond may be in___nature.
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Chemistry Crash Course NEET>Chapter 13 - Chemical Bonding and Molecular Structure>Level 2>Q 19
According to the octet rule, the number of electrons in the valence shell of central atom of the molecule is______
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Chemistry Crash Course NEET>Chapter 13 - Chemical Bonding and Molecular Structure>Level 2>Q 20
Electropositive element forms an ion by _____.