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Standard XII

Chemistry

Oxides of Sulphur

Out of given ...

Question

Out of given reaction which show change in hybridization of central atom__________.

H_{2} {B O}_{3}

dissolve in water

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H_{2} {S O}_{4}

dissolve in water

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N_{2} O_{5 (g)} ⟶ N_{2} O_{5 (s)}

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P {B r}_{5 (g)} ⟶ P {B r}_{5 (s)}

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C_{2} H_{6} H o m o l y t i c - --------------- \to b o n d c l e a v a g e o f C - C b o n d

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Solution

The correct option is A $H_{2} {B O}_{3}$ dissolve in water
Correct Option $- A$
Reason:-
$H_{3} B O_{3} ⟶ H B O_{2} + H_{2} O$
$H_{3} B O_{3}$ has $s p^{3}$ hybridisation at the central atom and $H B O_{2}$ has $s p^{2}$ hybridisation at the central atom.

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Similar questions

Q. The rate constant

k

, for the reaction

N_{2} O_{5} (g) ⟶ 2 {N O}_{2} (g) + \frac{1}{2} O_{2} (g)

1.3 \times 10^{- 2} s^{- 1}

. Which equation given below describes the change of

[N_{2} O_{5}]

with time?

{[N_{2} O_{5}]}_{0}

and

{[N_{2} O_{5}]}_{t}

correspond to concentration of

N_{2} O_{5}

initially and at time

t

Q. The rate constant for the reaction,

N_{2} O_{5} (g) ⟶ 2 N O_{2} (g) + \frac{1}{2} O_{2} (g)

, is

2.3 \times 10^{- 2} {s e c}^{- 1}

. Which equation given below describes the change of

[N_{2} O_{5}]

with time,

{[N_{2} O_{5}]}_{0}

and

{[N_{2} O_{5}]}_{t}

corresponds to concentration of

N_{2} O_{5}

initially and time

t

respectively?

Q. Mohr's salt is dissolved in dil.

H_{2} {S O}_{4}

instead of distilled water to?

Q. Alkenes like ethene dissolve in conc.

H_{2} {S O}_{4}

but alkynes like ethyne do not dissolve in conc.

H_{2} {S O}_{4}

, whereas but-2-yne dissolves. Explain.

Q. For a first order reaction involving decomposition of

N_{2} O_{5}

, the following information is available :

2 N_{2} O_{5} (g)

\to

{4 N O}_{2} (g)

O_{2} (g)

Rate = k

[N_{2} O_{5}]

N_{2} O_{5}

(g)

\to

{2 N O}_{2}

(g) +

\frac{1}{2} O_{2}

(g) Rate =

k^{'}

[N_{2} O_{5}]

,
Which of the following expressions is true ?

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Out of given reaction which show change in hybridization of central atom__________.

The correct option is A H2BO3 dissolve in waterCorrect Option −AReason:- H3BO3⟶HBO2+H2OH3BO3 has sp3 hybridisation at the central atom and HBO2 has sp2 hybridisation at the central atom.

The correct option is A $H_{2} {B O}_{3}$ dissolve in water
Correct Option $- A$
Reason:-
$H_{3} B O_{3} ⟶ H B O_{2} + H_{2} O$
$H_{3} B O_{3}$ has $s p^{3}$ hybridisation at the central atom and $H B O_{2}$ has $s p^{2}$ hybridisation at the central atom.