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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313986 How many maximum number of atoms are present in one plane in ${PF}_{2} {({CH}_{3})}_{3}$ molecule, only consider those geometry which is non-polar in nature?
supporting img

1 2

2 4

3 7

4 8

Explanation:

One phosphorous atom, and $C, H$ atoms from each $- {CH}_{3}$ group are in one plane (total seven atoms).

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313990 Identify the correct match.
Column I
Column II
A
$X e F_{2}$
P
Central atom has $s p^{3}$ hybridisation and bent geometry
B
$N_{3}^{-}$
Q
Central atom has $s p^{3} d^{2}$ hybridisation and bent octahedral
C
${PCl}_{6}^{-} (PC l_{5} (s) anion)$

R
Central atom has $s p$ hybridisation and linear geometry
D
${ICl}_{2}^{+} (I_{2} C l_{6} (l) cation)$
S
Central atom has $s p^{3} d$ hybridisation and linear geometry

1

A - P, B - Q, C - R, D - S

2

A - S, B - Q, C - S, D - R

3

A - Q, B - R, C - P, D - S

4

A - S, B - R, C - Q, D - P

Explanation:

(i) ${XeF}_{2}$ -sp $^{3} d$ -Linear
(ii) $N_{3}^{-} - sp$ - linear
(iii) ${PCl}_{5} (s)$ exists as ${[{PCl}_{4}]}^{+}$ and ${[{PCl}_{6}]}^{-}$ ,
${PCl}_{6}^{-} - {sp}^{3} d^{2} - octahedral$
(iv) $I_{2} C l_{6} (l) ⇌ {[IC l_{2}]}^{+} + {[IC l_{4}]}^{-}$
${ICl}_{2}^{+} - s p^{3} - bent (2 .l .p)$

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313991 The molecule exhibiting maximum number of non-bonding electron pairs around the central atom is

1

X e O F_{4}

2

X e O_{2} F_{2}

3

{X e F}_{3}^{-}

4

X e O_{3}

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313992 In a regular octahedral molecule ${MX}_{6}$ , the number of $X - M - X$ bonds at $180^{\circ}$ is

1 three

2 two

3 six

4 four

Explanation:

In octahedral molecule $M X_{6}$ , the six hybrid orbitals $({sp}^{3} d^{2})$ are directed towards the corners of a regular octahedral with an angle of $90^{\circ}$ According to given structure of $M X_{6}$ , the number of $X - M - X$ bonds at $180^{\circ}$ must be three.
supporting img

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313986 How many maximum number of atoms are present in one plane in ${PF}_{2} {({CH}_{3})}_{3}$ molecule, only consider those geometry which is non-polar in nature?
supporting img

1 2

2 4

3 7

4 8

Explanation:

One phosphorous atom, and $C, H$ atoms from each $- {CH}_{3}$ group are in one plane (total seven atoms).

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313990 Identify the correct match.
Column I
Column II
A
$X e F_{2}$
P
Central atom has $s p^{3}$ hybridisation and bent geometry
B
$N_{3}^{-}$
Q
Central atom has $s p^{3} d^{2}$ hybridisation and bent octahedral
C
${PCl}_{6}^{-} (PC l_{5} (s) anion)$

R
Central atom has $s p$ hybridisation and linear geometry
D
${ICl}_{2}^{+} (I_{2} C l_{6} (l) cation)$
S
Central atom has $s p^{3} d$ hybridisation and linear geometry

1

A - P, B - Q, C - R, D - S

2

A - S, B - Q, C - S, D - R

3

A - Q, B - R, C - P, D - S

4

A - S, B - R, C - Q, D - P

Explanation:

(i) ${XeF}_{2}$ -sp $^{3} d$ -Linear
(ii) $N_{3}^{-} - sp$ - linear
(iii) ${PCl}_{5} (s)$ exists as ${[{PCl}_{4}]}^{+}$ and ${[{PCl}_{6}]}^{-}$ ,
${PCl}_{6}^{-} - {sp}^{3} d^{2} - octahedral$
(iv) $I_{2} C l_{6} (l) ⇌ {[IC l_{2}]}^{+} + {[IC l_{4}]}^{-}$
${ICl}_{2}^{+} - s p^{3} - bent (2 .l .p)$

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313991 The molecule exhibiting maximum number of non-bonding electron pairs around the central atom is

1

X e O F_{4}

2

X e O_{2} F_{2}

3

{X e F}_{3}^{-}

4

X e O_{3}

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313992 In a regular octahedral molecule ${MX}_{6}$ , the number of $X - M - X$ bonds at $180^{\circ}$ is

1 three

2 two

3 six

4 four

Explanation:

In octahedral molecule $M X_{6}$ , the six hybrid orbitals $({sp}^{3} d^{2})$ are directed towards the corners of a regular octahedral with an angle of $90^{\circ}$ According to given structure of $M X_{6}$ , the number of $X - M - X$ bonds at $180^{\circ}$ must be three.
supporting img

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313986 How many maximum number of atoms are present in one plane in ${PF}_{2} {({CH}_{3})}_{3}$ molecule, only consider those geometry which is non-polar in nature?
supporting img

1 2

2 4

3 7

4 8

Explanation:

One phosphorous atom, and $C, H$ atoms from each $- {CH}_{3}$ group are in one plane (total seven atoms).

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313990 Identify the correct match.
Column I
Column II
A
$X e F_{2}$
P
Central atom has $s p^{3}$ hybridisation and bent geometry
B
$N_{3}^{-}$
Q
Central atom has $s p^{3} d^{2}$ hybridisation and bent octahedral
C
${PCl}_{6}^{-} (PC l_{5} (s) anion)$

R
Central atom has $s p$ hybridisation and linear geometry
D
${ICl}_{2}^{+} (I_{2} C l_{6} (l) cation)$
S
Central atom has $s p^{3} d$ hybridisation and linear geometry

1

A - P, B - Q, C - R, D - S

2

A - S, B - Q, C - S, D - R

3

A - Q, B - R, C - P, D - S

4

A - S, B - R, C - Q, D - P

Explanation:

(i) ${XeF}_{2}$ -sp $^{3} d$ -Linear
(ii) $N_{3}^{-} - sp$ - linear
(iii) ${PCl}_{5} (s)$ exists as ${[{PCl}_{4}]}^{+}$ and ${[{PCl}_{6}]}^{-}$ ,
${PCl}_{6}^{-} - {sp}^{3} d^{2} - octahedral$
(iv) $I_{2} C l_{6} (l) ⇌ {[IC l_{2}]}^{+} + {[IC l_{4}]}^{-}$
${ICl}_{2}^{+} - s p^{3} - bent (2 .l .p)$

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313991 The molecule exhibiting maximum number of non-bonding electron pairs around the central atom is

1

X e O F_{4}

2

X e O_{2} F_{2}

3

{X e F}_{3}^{-}

4

X e O_{3}

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313992 In a regular octahedral molecule ${MX}_{6}$ , the number of $X - M - X$ bonds at $180^{\circ}$ is

1 three

2 two

3 six

4 four

Explanation:

In octahedral molecule $M X_{6}$ , the six hybrid orbitals $({sp}^{3} d^{2})$ are directed towards the corners of a regular octahedral with an angle of $90^{\circ}$ According to given structure of $M X_{6}$ , the number of $X - M - X$ bonds at $180^{\circ}$ must be three.
supporting img

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313986 How many maximum number of atoms are present in one plane in ${PF}_{2} {({CH}_{3})}_{3}$ molecule, only consider those geometry which is non-polar in nature?
supporting img

1 2

2 4

3 7

4 8

Explanation:

One phosphorous atom, and $C, H$ atoms from each $- {CH}_{3}$ group are in one plane (total seven atoms).

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313990 Identify the correct match.
Column I
Column II
A
$X e F_{2}$
P
Central atom has $s p^{3}$ hybridisation and bent geometry
B
$N_{3}^{-}$
Q
Central atom has $s p^{3} d^{2}$ hybridisation and bent octahedral
C
${PCl}_{6}^{-} (PC l_{5} (s) anion)$

R
Central atom has $s p$ hybridisation and linear geometry
D
${ICl}_{2}^{+} (I_{2} C l_{6} (l) cation)$
S
Central atom has $s p^{3} d$ hybridisation and linear geometry

1

A - P, B - Q, C - R, D - S

2

A - S, B - Q, C - S, D - R

3

A - Q, B - R, C - P, D - S

4

A - S, B - R, C - Q, D - P

Explanation:

(i) ${XeF}_{2}$ -sp $^{3} d$ -Linear
(ii) $N_{3}^{-} - sp$ - linear
(iii) ${PCl}_{5} (s)$ exists as ${[{PCl}_{4}]}^{+}$ and ${[{PCl}_{6}]}^{-}$ ,
${PCl}_{6}^{-} - {sp}^{3} d^{2} - octahedral$
(iv) $I_{2} C l_{6} (l) ⇌ {[IC l_{2}]}^{+} + {[IC l_{4}]}^{-}$
${ICl}_{2}^{+} - s p^{3} - bent (2 .l .p)$

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313991 The molecule exhibiting maximum number of non-bonding electron pairs around the central atom is

1

X e O F_{4}

2

X e O_{2} F_{2}

3

{X e F}_{3}^{-}

4

X e O_{3}

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313992 In a regular octahedral molecule ${MX}_{6}$ , the number of $X - M - X$ bonds at $180^{\circ}$ is

1 three

2 two

3 six

4 four

Explanation:

In octahedral molecule $M X_{6}$ , the six hybrid orbitals $({sp}^{3} d^{2})$ are directed towards the corners of a regular octahedral with an angle of $90^{\circ}$ According to given structure of $M X_{6}$ , the number of $X - M - X$ bonds at $180^{\circ}$ must be three.
supporting img