Alpha Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>Exercise-1>Q 57

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How many compounds violate octet rule?

(i) ${CO}_{2}$
(ii) $PCls$
(iii) ${SiF}_{4}$
(iv) $Bf \bar{5} s$
(v) ${IF}_{7}$
(vi) ${PCl}_{3}$
(vi) $H_{2} {SO}_{4}$ friii) ${BF}_{3}$

Important Questions on Chemical Bonding and Molecular Structure

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Alpha Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>Exercise-1>Q 58

Write the reason for the violation of octet rule by various molecules?

{BCl}_{3}, {XeF}_{2}, NO, I F_{7}, {NO}_{2}, {ClF}_{3}, {ClO}_{2}

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Alpha Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>Exercise-1>Q 59

How many types of

N - O

bond lengths are present in

(a) {HNO}_{3} (b) {NO}_{3}^{-} ?

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Alpha Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>Exercise-1>Q 60

Compare bond length of

S - O

bond in

{SO}_{3}^{2 -}

and

{HSO}_{3}^{-}

.

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Alpha Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>Exercise-1>Q 61

Find number of sigma bonds and pi bonds in

{CH}_{2} = C = C = {CH}_{2} .

HARD

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Alpha Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>Exercise-1>Q 62

Draw the type of overlaps between
(a)

s and p_{x}

(b)

p_{x} and p_{x}

(c)

p_{y}

and

p_{y}

(d)

p_{z}

and

p_{z}

(e)

s

and

d_{z^{2}}

(f)

s

and

d_{x^{2} - y^{2}}

(g) s and

d_{y z}

(h)

p_{z}

and

d_{z^{2}}

(i)

p_{z}

and

d_{xy}

(j)

p_{x}

and

d_{xy}

(k)

p_{x}

and

d_{2^{2}}

(1)

p_{x}

and

d_{x^{2} - y^{2}}

(m)

d_{x^{2} - y^{2}}

and

d_{x^{2} - y^{2}}

(n)

d_{xy}

and

d_{xy}

(o)

d x y

and

d_{yz}

not
if internuclear axis is z-axis. Identify them as

σ, π, δ

bond wherever bond is formed.

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Alpha Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>Exercise-1>Q 63

Among the following which property is commonly exhibited by a covalent molecule.

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Alpha Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>Exercise-1>Q 64

The possible structure of monothiocarbonate ion is:

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Alpha Question Bank for Engineering: Chemistry>Chapter 14 - Chemical Bonding and Molecular Structure>Exercise-1>Q 65

Which one is the electron deficient compound: