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प्रश्न
Which of the following is isoelectronic pair?
पर्याय
\[\ce{ICI2, ClO2}\]
\[\ce{BrO^{-}_{2}, BrF^{+}_{2}}\]
\[\ce{ClO2, BrF}\]
\[\ce{CN^{-}, O3}\]
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उत्तर
\[\ce{BrO^{-}_{2}, BrF^{+}_{2}}\]
Explanation:
\[\ce{BrO^{-}_{2}}\] (35 + 2 × 8 + 1 = 52)
And
\[\ce{BrF^{+}_{2}}\] (35 + 2 × 9 – 1 = 52)
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संबंधित प्रश्न
Iodine exists as
- polar molecular solid
- ionic solid
- nonpolar molecular solid
- hydrogen bonded molecular solid
Account for the following: Fluorine does not exhibit positive oxidation state.
Fluorine is a stronger oxidising agent than chlorine. Why?
Compare the oxidizing action of F2 and Cl2 by considering parameters such as bond dissociation enthalpy, electron gain enthalpy and hydration enthalpy.
Which halogen compound in the following pair will react faster in SN2 reaction CH3Br or CH3I.
Give two examples to show the anomalous behaviour of fluorine.
Arrange the following in the decreasing order of their reducing character :
HF, HCl, HBr, HI
Cl2 acts as a bleaching agent.
Tincture of iodine is ____________.
Which one has the lowest boiling point?
Fluorine differs from the rest of the halogens in some of its properties. This is due to ____________.
The set with the correct order of acidity is:
Which is the strongest acid in the following:
Which of the following pairs of ions are isoelectronic and isostructural?
Bond dissociation enthalpy of E–H (E = element) bonds is given below. Which of the compounds will act as the strongest reducing agent?
| Compound | \[\ce{NH3}\] | \[\ce{PH3}\] | \[\ce{AsH3}\] | \[\ce{SbH3}\] |
| Δdiss (E – H)/kJ mol–1 | 389 | 322 | 297 | 255 |
Which of the following statements are true?
(i) Only type of interactions between particles of noble gases are due to weak dispersion forces.
(ii) Ionisation enthalpy of molecular oxygen is very close to that of xenon.
(iii) Hydrolysis of XeF6 is a redox reaction.
(iv) Xenon fluorides are not reactive.
Give a reason for the following:
Mn+2 compounds are more stable than Fe+2 compounds.
