Chemical BondingMedium
Question
Identify the correct orders against the property mentioned
A. $H_{2}O > {NH}_{3} > {CHCl}_{3}$ - dipole moment
B. ${XeF}_{4} > {XeO}_{3} > {XeF}_{2}$ - number of lone pairs on central atom
C. $O - H > C - H > N - O$ - bond length
D. $N_{2} > O_{2} > H_{2} -$ bond enthalpy
Choose the correct answer from the options given below:
Options
A.A, D only
B.B, D only
C.A, C only
D.B, C only
Solution
Sol. [Key Concept: Correct orders — dipole moment, lone pairs, bond length and bond enthalpy]
| $$\mu(D)$$ | ||
|---|---|---|
| A. | $$H_{2}O$$ | 1.85 |
| $${NH}_{3}$$ | 1.47 | |
| $${CHCl}_{3}$$ | 1.04 |
B.
${XeF}_{4}:2$ lone pairs of electron
${XeO}_{3}:1$ lone pair of electron
XeF2 : 3 lone pairs of electron
C. Order of Bond length :- $N - O > C - H > O - H$
D.
$N_{2}$ Bond order is 3
$H_{2}$ Bond order is 1
O2 Bond order is 2
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