(B) $NH_3$ $(sp^3)$ $+ H^{+} \to NH_4^+$ $(sp^3)$ (No change)$(b)$ $H_3BO_3$ $(sp^2)$ $+ OH^{-} \to [B(OH)_4]^-$ $(sp^3)$ (Change occurs)$(c)$ $NH_3$

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$H_3BO_3$ combines with $OH^{-}$

(B) $NH_3$ $(sp^3)$ $+ H^{+} \to NH_4^+$ $(sp^3)$ (No change)$(b)$ $H_3BO_3$ $(sp^2)$ $+ OH^{-} \to [B(OH)_4]^-$ $(sp^3)$ (Change occurs)$(c)$ $NH_3$ $(sp^3)$ $\to NH_2^-$ $(sp^3)$ (No change)$(d)$ $H_2O$ $(sp^3)$ $+ H^{+} \to H_3O^+$ $(sp^3)$ (No change)Therefore,the hybridization of the central atom changes in option $(b)$.

Class 11 Chemistry Chemical Bonding and Molecular Structure Hybridisation

The hybridization of the central atom will change when

A
$NH_3$ combines with $H^{+}$
B
$H_3BO_3$ combines with $OH^{-}$
C
$NH_3$ forms $NH_2^-$
D
$H_2O$ combines with $H^{+}$

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Class 11

Chemistry Questions

Chapter

Chemical Bonding and Molecular Structure

Subtopic

Hybridisation

If the dipole moment of an $MX_3$ molecule is zero,which orbital is used by the $M$ atom to form sigma bonds? (Atomic number of $M < 21$)

Medium

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In allene $(C_3H_4)$,the type$(s)$ of hybridisation of the carbon atoms is (are):

IIT 2012

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In which of the following compounds will the angle between two covalent bonds be the largest?

Easy

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The state of hybridisation of $B$ in $BCl_3$ is

Medium

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$NH_2CONH_2 + 2 H_2O \rightarrow [X] \rightleftharpoons 2 NH_3 + H_2O + [Y]$
The hybridization of carbon in $X$ and $Y$ respectively are

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The hybridization of the central atom will change when

Similar Questions

If the dipole moment of an $MX_3$ molecule is zero,which orbital is used by the $M$ atom to form sigma bonds? (Atomic number of $M < 21$)

In allene $(C_3H_4)$,the type$(s)$ of hybridisation of the carbon atoms is (are):

In which of the following compounds will the angle between two covalent bonds be the largest?

The state of hybridisation of $B$ in $BCl_3$ is

$NH_2CONH_2 + 2 H_2O \rightarrow [X] \rightleftharpoons 2 NH_3 + H_2O + [Y]$The hybridization of carbon in $X$ and $Y$ respectively are

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$NH_2CONH_2 + 2 H_2O \rightarrow [X] \rightleftharpoons 2 NH_3 + H_2O + [Y]$
The hybridization of carbon in $X$ and $Y$ respectively are