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Byju's Answer

Standard XII

Chemistry

Properties of Water

Consider the ...

Question

Consider the following statements;
(I) The hybridlsation found in cation of solid $P C l_{5}$ is $s p^{3}$ .
(II) In $A B_{2} L_{2}$ type the $B - A - B$ bond angle is always greater than the normal tetrahedral bond angle.
(III) In $C I O_{3}^{-}, N H_{3}$ and $X e O_{3}$ the hybridisation and the number of lone pairs on the central atoms are same.
(IV) In $P_{4}$ molecule, there are six $P - P$ bonds and four lone pairs of electrons.
of these statements :

I, II and III are correct only

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I, III and IV are correct only

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III and IV are correct only

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All are correct

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Solution

The correct option is B I, III and IV are correct only
Statement 1, 3 and 4 are correct.
In $A B_{2} L_{2}$ due to two lone pair -lone pair repulsion the bond angle is quite less than ${109.5}^{o}$ normal tetrahedral bond angle.

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Similar questions

Q. Consider the following statements and arrange in the order of true/false as given in the codes.
Here

L

is the lone pair

S_{1} :

A B_{2} L_{2}

type, the BAB bond angle will be always greater than normal tetrahedral.

S_{2} :

Maleic acid has higher

K_{a 1}

value than fumaric acid due to intramolecular hydrogen bonding.

S_{3} :

C l O_{3}^{-}, N H_{3}

and

X e O_{3},

the hybridisation and the number of lone pair(s) on central atoms are same.

Q. Consider the following statements and arrange in the order of true/false as given in the codes:

S_{1}

: In

A B_{2} L_{2}

type, the

B A B

bond angle will always be greater than normal tetrahedral (

L

is a lone pair).

S_{2}

: Maleic acid has higher

K_{a_{1}}

value than fumaric acid due to intramolecular hydrogen bonding.

S_{3}

: In

{C l O_{3}}^{-}, N H_{3}

and

X e O_{3}

, the hybridisation and the number of lone pair(s) on central atoms are same.

Q. The correct statement(s) regarding, (i)

H C l O

, (ii)

H C l O_{2}

, (iii)

H C l O_{3}

and (iv)

H C l O_{4}

is(are):

Q. Which of the following statements is/are correct regarding

I F_{5}

molecules?
(I) There is only one lone pair present in the molecule
(II) All

∠ F I F

angles are identical
(III) There are eight faces in this molecule
(IV) The number of

∠ F I F

angles are 8

Q. Consider the following statements:
When two straight lines intersect:

(i) adjacent angles are complementary

(ii) adjacent angles are supplementary

(iii) opposite angles are equal

(iv) opposite angles are supplementary

Of these statements

(a) (i) and (ii) are correct

(b) (ii) and (iii) are correct

(c) (i) and (iv) are correct

(d) (ii) and (iv) are correct

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The correct option is B I, III and IV are correct onlyStatement 1, 3 and 4 are correct. In AB2L2 due to two lone pair -lone pair repulsion the bond angle is quite less than 109.5o normal tetrahedral bond angle.

The correct option is B I, III and IV are correct only
Statement 1, 3 and 4 are correct.
In $A B_{2} L_{2}$ due to two lone pair -lone pair repulsion the bond angle is quite less than ${109.5}^{o}$ normal tetrahedral bond angle.