EASY
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Which of the following statements is false about covalent bonds?

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Important Questions on Chemical Bonding and Molecular Structure

EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Valence electrons in the element A are 3 and that in element B are 6. Most probable compound formed from A and B is
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Total number of lone pair of electrons in I3- ion is:
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Which of the following pair contains 2 lone pair of electrons on the central atom?
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Which among the following is an electron deficient compound ?
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Write with an example, how according to Lewis concept, a covalent bond is formed.
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Which of the following represents the most stable Lewis dot formula for CO32-?
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
In ozone molecule, the formal charge on the central oxygen atom is
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
The ion that is isoelectronic with CO is
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Bonds present in CuSO4.5H2O are 
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Which of the following options containing formula, bonding and nature of aqueous solution respectively is correct for the compound formed by two elements A and B having atomic numbers 1 and 17, respectively?
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
What is the nature of the bond between B and O in C2H52OBH3 ?
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Explain how a single covalent bond is formed between two atoms of hydrogen. (Support your answer by drawing a structural diagram).
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Nitrogen shows maximum covalency of 4 where as other heavier elements of the group show higher covalency because.
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
The formal charge on central oxygen atom in ozone is
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Which of the following molecule does not obey octet rule?
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
PCl5 is well known but NCl5 is not.Because,
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Which of the following species is a radical?
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
The numbers of lone pair and bond pairs in hydrazine are, respectively:
MEDIUM
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
Give one example each of a liquid and a solid covalent bond.
EASY
Chemistry>Inorganic Chemistry>Chemical Bonding and Molecular Structure>Covalent Bonding
What is a polar molecule? Give an example.