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Answer the following in one or two sentences.
What is standard cell potential for the reaction
\[\ce{3Ni_{(s)} + 2Al^{3+} (1M) → 3Ni^{2+} (1M) + 2Al(s)}\], if `E_"Ni"^circ` = –0.25 V and `"E"_("Al")^circ` = –1.66 V?
Concept: undefined >> undefined
Answer the following in one or two sentences.
Write Nernst equation. What part of it represents the correction factor for nonstandard state conditions?
Concept: undefined >> undefined
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Answer the following in one or two sentences.
Under what conditions the cell potential is called standard cell potential?
Concept: undefined >> undefined
Answer the following in brief.
Construct a galvanic cell from the electrodes Co3+ | Co and Mn2+/Mn. \[\ce{E{^{\circ}_{Co}}}\] = 1.82 V, \[\ce{E{^{\circ}_{Mn}}}\] = –1.18 V. Calculate \[\ce{E{^{\circ}_{cell}}}\]
Concept: undefined >> undefined
Answer the following:
Calculate emf of the cell:
Zn(s) |Zn2+ (0.2 M)||H+ (1.6 M)| H2(g, 1.8 atm)| Pt at 25 °C.
Concept: undefined >> undefined
Calculate emf of the cell at 25°C.
Zn(s) | Zn2+ (0.08 M) || Cr3+ (0.1 M) | Cr(s)
`E_(Zn)^0` = −0.76 V, `E_(Cr)^0` = −0.74 V
Concept: undefined >> undefined
Answer the following:
Predict whether the following reaction would occur spontaneously under standard state condition.
`"Ca"_(("s")) + "Cd"_(("aq"))^(2+) -> "Ca"_(("aq"))^(2+) + "Cd"_(("s"))`
Concept: undefined >> undefined
Answer the following:
Predict whether the following reaction would occur spontaneously under standard state condition.
`2"Br"_(("aq"))^(-) + "Sn"_(("aq"))^(2+) -> "Br"_(2("l")) + "Sn"_(("s"))`
Concept: undefined >> undefined
Answer the following.
What is the oxidation state of ‘S’ in H2SO4?
Concept: undefined >> undefined
Write the names and structural formulae of oxoacids of chlorine.
Concept: undefined >> undefined
Answer the following.
What happens when Cl2 reacts with F2 in equal volume at 437 K.
Concept: undefined >> undefined
Answer the following.
What happens when Br2 reacts with excess of F2.
Concept: undefined >> undefined
Choose the most correct option.
Which of the following complexes exist as cis and trans isomers?
1. [Cr(NH3)2Cl4]-
2. [Co(NH3)5Br]2⊕
3. [PtCl2Br2]2- (square planar)
4. [FeCl2(NCS)2]2- (tetrahedral)
Concept: undefined >> undefined
Answer the following in one or two sentences.
Predict whether the [Cr(en)2(H2O)2]3+ complex is chiral. Write the structure of its enantiomer.
Concept: undefined >> undefined
Answer the following in one or two sentences.
Consider the complexes \[\ce{[Cu(NH3)4][PtCl4] and [Pt(NH3)4] [CuCl4]}\]. What type of isomerism these two complexes exhibit?
Concept: undefined >> undefined
Answer in brief.
What are ionization isomers ? Give an example.
Concept: undefined >> undefined
Draw isomers of the following.
\[\ce{Pt(NH3)2ClNO2}\]
Concept: undefined >> undefined
Answer the following question.
Draw isomers of the following
Ru(NH3)4Cl2
Concept: undefined >> undefined
Answer the following question.
Draw isomers of the following
[Cr(en2)Br2]⊕
Concept: undefined >> undefined
Answer the following question.
Draw geometric isomers and enantiomers of the following complex.
[Pt(en)3]4⊕
Concept: undefined >> undefined
