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What are the characteristics of an atom?

Important Questions on Chemical Bonding

EASY
Science>Chemistry>Chemical Bonding>Ionic Bonding
Nitrogen shows maximum covalency of 4 where as other heavier elements of the group show higher covalency because.
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Science>Chemistry>Chemical Bonding>Ionic Bonding
Which of the following represents the most stable Lewis dot formula for CO32-?
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Science>Chemistry>Chemical Bonding>Ionic Bonding
What is the nature of the bond between B and O in C2H52OBH3 ?
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Science>Chemistry>Chemical Bonding>Ionic Bonding
Which of the following species is a radical?
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Science>Chemistry>Chemical Bonding>Ionic Bonding
In ozone molecule, the formal charge on the central oxygen atom is
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Science>Chemistry>Chemical Bonding>Ionic Bonding
The ion that is isoelectronic with CO is
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Science>Chemistry>Chemical Bonding>Ionic Bonding
Which among the following is an electron deficient compound ?
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Science>Chemistry>Chemical Bonding>Ionic Bonding
The sum of the number of dative bonds present in all the given species are; Al2Cl6, AlH2O6, CO, NH4+
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Science>Chemistry>Chemical Bonding>Ionic Bonding
Which of the following pair contains 2 lone pair of electrons on the central atom?
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Science>Chemistry>Chemical Bonding>Ionic 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
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Science>Chemistry>Chemical Bonding>Ionic Bonding
The number of co-ordination bonded water molecules associated with CuSO4.5H2O is _______
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Science>Chemistry>Chemical Bonding>Ionic Bonding
The numbers of lone pair and bond pairs in hydrazine are, respectively:
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Science>Chemistry>Chemical Bonding>Ionic Bonding
The total number of dative bonds present in all the following CO, NH4Cl, Al2Cl6, AlH2O6, HNO3 and CO2 is
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Science>Chemistry>Chemical Bonding>Ionic Bonding
Which of the following molecule does not obey octet rule?
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Science>Chemistry>Chemical Bonding>Ionic Bonding

In the given electron dot structure, the formal charge on each nitrogen atom (respectively) from left to right is _______

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Science>Chemistry>Chemical Bonding>Ionic Bonding
Draw the electron dot structure of Ammonium ion. [N=7, H=1]
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Science>Chemistry>Chemical Bonding>Ionic Bonding
What is a polar molecule? Give an example.
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Science>Chemistry>Chemical Bonding>Ionic Bonding
The formal charge on central oxygen atom in ozone is
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Science>Chemistry>Chemical Bonding>Ionic Bonding
Total number of lone pair of electrons in I3- ion is:
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Science>Chemistry>Chemical Bonding>Ionic Bonding
The compound(s) with two lone pairs of electrons on the central atom is (are)