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CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313928 Which of the following molecules has the maximum number of A-X bonds of identical length, where ‘A” is the central atom and ‘X’ is the surrounding atom?

1

S F_{6}

2

I F_{7}

3

P F_{5}

4

{C l O}_{4}^{-}

Explanation:

$S F_{6}$ = Octahedral and all six S-F bond length are same.

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313929 Which of the following molecule has maximum number of $90^{\circ}$ bond angles?

1

{XeF}_{4}

2

{XeF}_{5}^{-}

3

{SF}_{6}

4

{IF}_{7}

Explanation:

supporting img

${sp}^{3} d^{2}$ - no. l.p. on central atom - octahedral and all angles are $90^{\circ}$ .
So maximum $90^{\circ}$ angles are present in $S F_{6} .$

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313930 Which of the following statement is incorrect for $P C l_{5}$

1 Its all P–Cl bond lengths are equal

2 It involves

s p^{3} d

hybridisation

3 It has irregular geometry

4 Its shape is trigonal bipyramidal.

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313931 The ratio of number of lone pairs on central atom in ammonia, Water and $X e F_{2}$ are

1

3 : 2 : 1

2

2 : 1 : 3

3

1 : 2 : 3

4

2 : 3 : 1

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313933 The ion which is not tetrahedral in shape is

1

{BF}_{4}^{-}

2

{NH}_{4}^{+}

3

{[Cu {({NH}_{3})}_{4}]}^{2 +}

4

{[{NiCl}_{4}]}^{- 2}

Explanation:

${BF}_{4}^{-}, {NH}_{4}^{+}, {[{NiCl}_{4}]}^{2 -}$ all are tetrahedral in shape but ${[Cu {({NH}_{3})}_{4}]}^{2 +}$ is not tetrahedral but square planar
supporting img

AIIMS - 2013

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313928 Which of the following molecules has the maximum number of A-X bonds of identical length, where ‘A” is the central atom and ‘X’ is the surrounding atom?

1

S F_{6}

2

I F_{7}

3

P F_{5}

4

{C l O}_{4}^{-}

Explanation:

$S F_{6}$ = Octahedral and all six S-F bond length are same.

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313929 Which of the following molecule has maximum number of $90^{\circ}$ bond angles?

1

{XeF}_{4}

2

{XeF}_{5}^{-}

3

{SF}_{6}

4

{IF}_{7}

Explanation:

supporting img

${sp}^{3} d^{2}$ - no. l.p. on central atom - octahedral and all angles are $90^{\circ}$ .
So maximum $90^{\circ}$ angles are present in $S F_{6} .$

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313930 Which of the following statement is incorrect for $P C l_{5}$

1 Its all P–Cl bond lengths are equal

2 It involves

s p^{3} d

hybridisation

3 It has irregular geometry

4 Its shape is trigonal bipyramidal.

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313931 The ratio of number of lone pairs on central atom in ammonia, Water and $X e F_{2}$ are

1

3 : 2 : 1

2

2 : 1 : 3

3

1 : 2 : 3

4

2 : 3 : 1

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313933 The ion which is not tetrahedral in shape is

1

{BF}_{4}^{-}

2

{NH}_{4}^{+}

3

{[Cu {({NH}_{3})}_{4}]}^{2 +}

4

{[{NiCl}_{4}]}^{- 2}

Explanation:

${BF}_{4}^{-}, {NH}_{4}^{+}, {[{NiCl}_{4}]}^{2 -}$ all are tetrahedral in shape but ${[Cu {({NH}_{3})}_{4}]}^{2 +}$ is not tetrahedral but square planar
supporting img

AIIMS - 2013

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313928 Which of the following molecules has the maximum number of A-X bonds of identical length, where ‘A” is the central atom and ‘X’ is the surrounding atom?

1

S F_{6}

2

I F_{7}

3

P F_{5}

4

{C l O}_{4}^{-}

Explanation:

$S F_{6}$ = Octahedral and all six S-F bond length are same.

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313929 Which of the following molecule has maximum number of $90^{\circ}$ bond angles?

1

{XeF}_{4}

2

{XeF}_{5}^{-}

3

{SF}_{6}

4

{IF}_{7}

Explanation:

supporting img

${sp}^{3} d^{2}$ - no. l.p. on central atom - octahedral and all angles are $90^{\circ}$ .
So maximum $90^{\circ}$ angles are present in $S F_{6} .$

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313930 Which of the following statement is incorrect for $P C l_{5}$

1 Its all P–Cl bond lengths are equal

2 It involves

s p^{3} d

hybridisation

3 It has irregular geometry

4 Its shape is trigonal bipyramidal.

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313931 The ratio of number of lone pairs on central atom in ammonia, Water and $X e F_{2}$ are

1

3 : 2 : 1

2

2 : 1 : 3

3

1 : 2 : 3

4

2 : 3 : 1

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313933 The ion which is not tetrahedral in shape is

1

{BF}_{4}^{-}

2

{NH}_{4}^{+}

3

{[Cu {({NH}_{3})}_{4}]}^{2 +}

4

{[{NiCl}_{4}]}^{- 2}

Explanation:

${BF}_{4}^{-}, {NH}_{4}^{+}, {[{NiCl}_{4}]}^{2 -}$ all are tetrahedral in shape but ${[Cu {({NH}_{3})}_{4}]}^{2 +}$ is not tetrahedral but square planar
supporting img

AIIMS - 2013

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313928 Which of the following molecules has the maximum number of A-X bonds of identical length, where ‘A” is the central atom and ‘X’ is the surrounding atom?

1

S F_{6}

2

I F_{7}

3

P F_{5}

4

{C l O}_{4}^{-}

Explanation:

$S F_{6}$ = Octahedral and all six S-F bond length are same.

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313929 Which of the following molecule has maximum number of $90^{\circ}$ bond angles?

1

{XeF}_{4}

2

{XeF}_{5}^{-}

3

{SF}_{6}

4

{IF}_{7}

Explanation:

supporting img

${sp}^{3} d^{2}$ - no. l.p. on central atom - octahedral and all angles are $90^{\circ}$ .
So maximum $90^{\circ}$ angles are present in $S F_{6} .$

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313930 Which of the following statement is incorrect for $P C l_{5}$

1 Its all P–Cl bond lengths are equal

2 It involves

s p^{3} d

hybridisation

3 It has irregular geometry

4 Its shape is trigonal bipyramidal.

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313931 The ratio of number of lone pairs on central atom in ammonia, Water and $X e F_{2}$ are

1

3 : 2 : 1

2

2 : 1 : 3

3

1 : 2 : 3

4

2 : 3 : 1

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313933 The ion which is not tetrahedral in shape is

1

{BF}_{4}^{-}

2

{NH}_{4}^{+}

3

{[Cu {({NH}_{3})}_{4}]}^{2 +}

4

{[{NiCl}_{4}]}^{- 2}

Explanation:

${BF}_{4}^{-}, {NH}_{4}^{+}, {[{NiCl}_{4}]}^{2 -}$ all are tetrahedral in shape but ${[Cu {({NH}_{3})}_{4}]}^{2 +}$ is not tetrahedral but square planar
supporting img

AIIMS - 2013

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313928 Which of the following molecules has the maximum number of A-X bonds of identical length, where ‘A” is the central atom and ‘X’ is the surrounding atom?

1

S F_{6}

2

I F_{7}

3

P F_{5}

4

{C l O}_{4}^{-}

Explanation:

$S F_{6}$ = Octahedral and all six S-F bond length are same.

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313929 Which of the following molecule has maximum number of $90^{\circ}$ bond angles?

1

{XeF}_{4}

2

{XeF}_{5}^{-}

3

{SF}_{6}

4

{IF}_{7}

Explanation:

supporting img

${sp}^{3} d^{2}$ - no. l.p. on central atom - octahedral and all angles are $90^{\circ}$ .
So maximum $90^{\circ}$ angles are present in $S F_{6} .$

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313930 Which of the following statement is incorrect for $P C l_{5}$

1 Its all P–Cl bond lengths are equal

2 It involves

s p^{3} d

hybridisation

3 It has irregular geometry

4 Its shape is trigonal bipyramidal.

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313931 The ratio of number of lone pairs on central atom in ammonia, Water and $X e F_{2}$ are

1

3 : 2 : 1

2

2 : 1 : 3

3

1 : 2 : 3

4

2 : 3 : 1

CHXI04:CHEMICAL BONDING AND MOLECULAR STRUCTURE

313933 The ion which is not tetrahedral in shape is

1

{BF}_{4}^{-}

2

{NH}_{4}^{+}

3

{[Cu {({NH}_{3})}_{4}]}^{2 +}

4

{[{NiCl}_{4}]}^{- 2}

Explanation:

${BF}_{4}^{-}, {NH}_{4}^{+}, {[{NiCl}_{4}]}^{2 -}$ all are tetrahedral in shape but ${[Cu {({NH}_{3})}_{4}]}^{2 +}$ is not tetrahedral but square planar
supporting img

AIIMS - 2013

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