1. Tardigrade
  2. Question
  3. Chemistry
  4. Which among the following species has unequal bond lengths?

Q. Which among the following species has unequal bond lengths?

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Solution:

Species Hybridisation Bond length
$BF_4^{⊝ }$ $sp^3$ (Tetrahedral) All bond lengths equal
$XeF_4$ $sp^3d^2$ (sq. planar) All bond lengths equal
$SF_4$ $sp^3d$ (see - saw) axial bond length > equitorial bond length
$SiF_4$ $sp^3$ (Tetrahedral) all bond lengths equal

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1. Which of the following are isostructural pairs?

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B. $SiCl _{4}$ and $TiCl _{4}$

C. $NH _{3}$ and $NO _{3}^{-}$

D. $BCl _{3}$ and $BrCl _{3}$

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4. In Freundlich adsorption isotherm, slope of AB line is :

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5. (A) $HOCl + H _{2} O _{2} \rightarrow H _{3} O ^{+}+ Cl ^{-}+ O _{2}$
(B) $I _{2}+ H _{2} O _{2}+2 OH ^{-} \rightarrow 2 I ^{-}+2 H _{2} O + O _{2}$
Choose the correct option.

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1. Which of the following compounds contains(s) no covalent bond(s) ?
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2. In hydrogen azide (above) the bond orders of bonds (I) and (II) are :

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3. The most polar compound among the following is :

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4. Identify the pair in which the geometry of the species is T-shape and squarepyramidal, respectively :

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5. The incorrect geometry is represented by :

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