Which one is the right option:

The Right Option is D) Green Cr 2 (SO 4 ) 3 is formed

B) The solution is decolourised

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The p-Block Elements

Multiple Choice Questions

651. The P—P—P bond angle in white phosphorus is

120°
109° 28'
90°
60°

167 Views

652. Catalytic oxidation of NH₃ gives

dinitrogen pentoxide
nitric oxide
nitrogen dioxide
nitrogen

159 Views

653. FeSO₄ forms brown ring with

NO₃
NO₂
NO
N₂O₃

358 Views

654.

Oxygen molecule exhibits

Paramagnetism
Dimagnetism
Ferromagnetism
Ferrimagnetism

126 Views

655.

Oxygen molecule exhibits

Paramagnetism
Dimagnetism
Ferromagnetism
Ferrimagnetism

142 Views

656.
When SO₂ is passed through acidified K₂Cr₂O₇ solution

The solution turns blue
The solution is decolourised
SO₂ is reduced
Green Cr₂(SO₄)₃ is formed

Green Cr₂(SO₄)₃ is formed

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657.

which of the following is oxidised by SO₂?

Mg
K₂Cr₂O₇
KMnO₄
All the above

126 Views

Short Answer Type

658. What type of hybridisation is associated with N in NH₃? What is the expected bond angle in NH₃?

234 Views

659.

why is bond dissociation of energy of fluorine molecule less than that of chlorine molecule ?

134 Views

660. What are the two important oxidation states of group 16 elements in the periodic table?

239 Views