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Write the cell representation and calculate equilibrium constant for the following redox reaction:
`Ni_((s))+2Ag_((aq))^+ (1M)->Ni_((aq))^(2+)(1M)+2Ag_((s)) " at "25^@ C`
`E_(ni)^+`=-0.25V and `E_(Ag)^+=0.799V`
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What is the action of acetic anhydride on diethylamine?
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What is the action of the following reagents on aniline?
Acetic anhydride
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What is the action of the following reagents on aniline?
Hot and conc. sulphuric acid
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Write applications of electrochemical series.
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Answer the following:
Identify oxidising agents and arrange them in order of increasing strength under standard state conditions. The standard potentials are given in parenthesis.
Al (–1.66V), Al3+(–1.66V), Cl2 (1.36V), Cd2+ (–0.4V), Fe (–0.44V), I2 (0.54V), Br- (1.09V).
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Answer the following:
Which of the following species are reducing agents? Arrange them in order of increasing strength under standard state conditions. The standard potentials are given in parenthesis.
K (–2.93V), Br2(1.09V), Mg(–2.36V), Ce3+(1.61V), Ti2+(–0.37V), Ag+ (0.8 V), Ni (–0.23V).
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Answer the following in brief.
How a catalyst increases the rate of reaction? Explain with the help of a potential energy diagram for catalyzed and uncatalyzed reactions.
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Answer the following:
Predict whether the following reaction would occur spontaneously under standard state condition.
\[\ce{2Ag_{(s)} + Ni^{2+}_{ (aq)} -> 2Ag^{+}_{ (aq)} + Ni_{(s)}}\]
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Answer the following in brief.
Explain graphically the effect of a catalyst on the rate of reaction.
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Answer the following
Iron exhibits +2 and +3 oxidation states. Write their electronic configuration. Which will be more stable? Why ?
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Answer the following
Give the similarities and differences in elements of 3d, 4d, and 5d series.
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Write two applications of electrochemical series.
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Discuss the position of d-block elements, lanthanoids and actinoids in the periodic table.
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Define electrochemical series.
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How is ethyl amine prepared from methyl iodide?
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How are propan-1-amine and propan-2-amine prepared from oxime?
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The complex ion `[Co(H_2O)_5 (ONO)]^(2+) `
(A) linkage isomer
(B) ionisation isomer
(C) co-ordination isomer
(D) geometrical isomer
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Write a short note on Hoffmann bromamide degradation.
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Identify the compounds 'A' and 'B' in the following equation:
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