Consider the following reaction sequence, K _ 4 [ Fe ( CN )_ 5 ]+ ( CONC ) H _ 2 SO _ 4 +…
Chemistry · NEET · NTA Exams — p-Block Elements
Consider the following reaction sequence,
\(\mathrm{K}_{4}\left[\mathrm{Fe}(\mathrm{CN})_{5}\right]+\underset{(\mathrm{CONC})}{\mathrm{H}_{2} \mathrm{SO}_{4}}+\mathrm{H}_{2} \mathrm{O} \xrightarrow{\Delta} \mathrm{~K}_{2} \mathrm{5O}_{4}+\mathrm{FeSO}_{4}+3\left(\mathrm{NH}_{4}\right)_{2} \mathrm{SO}_{4}+\underset{(\mathrm{gas})}{(\mathrm{A})}\)
Now, consider the following statement about gas (A):
- Gas (A) reduces ammonical silver nitrate to silver (black), in absence of other gaseous reducing agents.
- Gas (A) is Lewis base
- Gas (A) is quantitatively estimated by reaction with iodine pentaoxide.
- Gas (A) is amphoteric.
Select incorrect statement(s) about gas 'A':
- I, III, IV only
- I, IV only
- IV only
- None of these
Answer
(C) IV only
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