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CBSE COMPLEMENTARY MATERIAL-CHEMICAL BONDING AND MOLECULAR STRUCTURE -1-MARK QUESTIONS
- Why noble gases exist in mono atomic form?
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- Draw the lewis structure of NO(2)^(-) (Nitrite ion).
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- Why NH(3) and BF(3) have different shapes?
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- How many sigma and pi bonds are present in HCN molecule?
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- Sigma bond is stronger than the pi bond. Explain.
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- Explain why BeH(2) molecule has zero dipole moment although the Be – H...
02:16
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- Which has highest bond angle? NO(2), NO(2)^(–) , NO(2)^(+)
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- What is magnetic character of anion of KO(2)?
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- Why do atoms combine?
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- What is the significance of Lewis Symbols?
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- Why density of water is maximum at 277K?
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- Give structure of BrF(5) according to VSEPR theory.
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- Why NH(3) is liquid and PH(3) is a gas?
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- Why KHF(2) exist but KHCl(2) and KHBr(2) does not?
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- Boiling point of p-nitrophenol is more than O-nitrophenol why?
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- How is paramagnetic character of a compound related to the number of u...
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- Define the bond length.
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- He(2) molecule does not exist. Give reason.
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- Why PCl(5) dissociates to give PCl(3) and Cl(2)?
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- Write the state of hybridization of O in H(2)O.
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