AIPMT 2009 | Redox Reactions Question 16 | Chemistry

AIPMT 2009

MCQ (Single Correct Answer)

-1

Oxidation numbers of P in PO$$_4^{3 - }$$, of S in SO$$_4^{2 - }$$ and that of Cr in Cr₂O$$_7^{2 - }$$ are respectively

+3, +6 and +5

+5, +3 and +6

$$-$$3, +6 and + 6

+5, +6 and +6

AIPMT 2008

MCQ (Single Correct Answer)

-1

Number of moles of MnO$$_4^{ - }$$ required to oxidize one mole of ferrous oxalate completely in acidic medium will be

7.5 moles

0.2 moles

0.6 moles

0.4 moles

AIPMT 2004

MCQ (Single Correct Answer)

-1

Which is the best description of the behaviour of bromine in the reaction given below?
H₂O + Br₂ $$ \to $$ HOBr + HBr

Proton acceptor only

Both oxidised and reduced

Oxidised only

Reduced only

AIPMT 2003

MCQ (Single Correct Answer)

-1

The oxidation states of sulphur in the anions

SO3$${_3^{2 - }}$$, S₂O$${_4^{2 - }}$$ and S₂O$${_6^{2 - }}$$ follow the order

S₂O$${_4^{2 - }}$$ < SO$${_3^{2 - }}$$ < S₂O$${_6^{2 - }}$$

SO$${_3^{2 - }}$$ < S₂O$${_4^{2 - }}$$ < S₂O$${_6^{2 - }}$$

S₂O$${_4^{2 - }}$$ < S₂O$${_6^{2 - }}$$ < SO$${_3^{2 - }}$$

S₂O$${_6^{2 - }}$$ < S₂O$${_4^{2 - }}$$ < SO$${_3^{2 - }}$$

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