Calculate formal charge on all central atoms of HNO 3 , NO 2 and H 2 SO 4 .

HNO 3 NO 2 H 2 SO 4 + 1 , + 1 , + 2

HNO 3 NO 2 H 2 SO 4 0 , 0 , + 2

HNO 3 NO 2 H 2 SO 4 + 1 , + 1 , + 3

HNO 3 NO 2 H 2 SO 4 0 , + 1 , + 2

EASY

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Mention some examples of stable compounds with an incomplete octet.

Important Questions on Chemical Bonding

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Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

The number of molecules or ions from the following, which do not have odd number of electrons are _____ .
(A)

{NO}_{2}

(B)

{ICl}_{4}^{-}

(C)

{BrF}_{3}

(D)

{ClO}_{2}

(E)

{NO}_{2}^{+}

(F)

NO

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

Which of the following pair of molecules contain odd electron molecule and an expanded octet molecule?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

The formal charges of atoms

(1), (2)

and

(3)

in the ion

{[\begin{array}{l} \underset{(1)}{O} = \underset{(2)}{N} = \underset{(3)}{O} \end{array}]}^{+}

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

The oxide which contains an odd electron at the nitrogen atom is

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

Which of the following species is a radical?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

The formal charge on central oxygen atom in ozone is

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

The set of molecules in which the central atom is not obeying the octet rule is

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

{PCl}_{5}

is well known but

{NCl}_{5}

is not.Because,

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

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

Question Image

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

Which of the following molecule does not obey octet rule?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

In ozone molecule, the formal charge on the central oxygen atom is

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

Which of the following, the molecular species has unpaired electron(s) ?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

Calculate formal charge on all central atoms of HNO₃, NO₂ and H₂SO₄.

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Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

{PO}_{4}^{3 -},

the formal charge on each oxygen atom and the

P - O

bond order respectively are

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

Which one is electron deficient compound?

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

Both 'H' and 'F' are monovalent in covalent bonding, phosphorus forms PF₅ but no PH₅ exists. It is because

|X_{H} - X_{P}|

negligible?

MEDIUM

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

Explain why

{SF}_{4}

and

{SF}_{6}

exist while

{OF}_{4}

is non-existent, although both '

S

' and '

O

' belong to the same group of the periodic table,

VI A

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

Which of the following is correct?

EASY

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

The number of electrons in the valence shell of sulphur in

S F_{6}

HARD

Chemistry>Inorganic Chemistry>Chemical Bonding>Formal charge

Which of these molecules do not obey the octet rule in any of the important Lewis structures needed, to describe the bonding in the molecule?
(I)

\underline{N} O_{2}

(II)

\underline{As} {Cl}_{3}

(III)

\underline{S} F_{4}

(IV)

\underline{Cl} O_{3}^{-}

(V)

C_{2} H_{4}

Mention some examples of stable compounds with an incomplete octet.

Important Questions on Chemical Bonding

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