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How will you convert fructose into glucose?
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A solution of glucose in water is labelled as $10\%\ w/w,$ what would be the molality and mole fraction of each component in the solution? If the density of solution is $1.2\ g\ mL^{–1},$ then what shall be the molarity of the solution?
→For the reaction:
$2 A+B \rightarrow A_2 B$
the rate $= k [ A ][ B ]^2$ with $k =2.0 \times 10^{-6} mol^{-2} L^2 s^{-1}$. Calculate the initial rate of the reaction when $[ A ]=0.1 mol$ $L ^{-1},[B]=0.2 mol L ^{-1}$. Calculate the rate of reaction after $[ A ]$ is reduced to $0.06 mol L ^{-1}$.
→$2 A+B \rightarrow A_2 B$
the rate $= k [ A ][ B ]^2$ with $k =2.0 \times 10^{-6} mol^{-2} L^2 s^{-1}$. Calculate the initial rate of the reaction when $[ A ]=0.1 mol$ $L ^{-1},[B]=0.2 mol L ^{-1}$. Calculate the rate of reaction after $[ A ]$ is reduced to $0.06 mol L ^{-1}$.
The conductivity of sodium chloride at $298 K$ has been determined at different concentrations and the results are given below:
Calculate $\wedge_\text{m}$ for all concentrations and draw a plot between $\wedge_\text{m}$ and $\text{C}^\frac{1}{2}.$ Find the value of $\wedge^\circ_\text{m}.$
→| Concentration$/M$ | $0.001$ | $0.010$ | $0.020$ | $0.050$ | $0.100$ |
| $10^2\times k/S m^{-1}$ | $1.237$ | $11.85$ | $23.15$ | $55.53$ | $106.74$ |
A compound ‘$X’ \ce{(C_2H_4O)}$ on oxidation gives ‘$Y’ \ce{(C_2H_4O_2)}. ‘X’$ undergoes haloform reaction. On treatment with $\ce{HCN} ‘X’$ forms a product ‘$Z’$ which on hydrolysis gives $2-$ hydroxy propanoic acid.
→- Write down structures of ‘$X’ $ and ‘$Y$’.
- Name the product when ‘$X’$ reacts with dil. $\ce{NaOH}$.
- Write down the equations for the reactions involved.
How would you achieve the following conversions:
- Nitrobenzene to aniline.
- An alkyl halide to a quaternary ammonium salt.
- Aniline to benzonitrile.
Write the Nernst equation and emf of the following cells at $298\ K:$
$Pt(s) | Br_2(l) | Br^– (0.010 M) || H^+ (0.030 M) | H_2(g) (1\ bar)|Pt(s).$
→$Pt(s) | Br_2(l) | Br^– (0.010 M) || H^+ (0.030 M) | H_2(g) (1\ bar)|Pt(s).$
Write the structures of fragments produced on complete hydrolysis of DNA. How are they linked in DNA molecule? Draw a diagram to show pairing of nucleotide bases in double helix of DNA.
What is Isotonic, hypertonic and hypotonic Solution?
Calculate the standard cell potentials of galvanic cell in which the following reactions take place:
$Fe^{2+}(aq) + Ag^+ (aq) \rightarrow Fe^{3+}(aq) + Ag(s)$
Calculate the $\triangle_\text{r}\text{G}^\ominus$ and equilibrium constant of the reactions.
→$Fe^{2+}(aq) + Ag^+ (aq) \rightarrow Fe^{3+}(aq) + Ag(s)$
Calculate the $\triangle_\text{r}\text{G}^\ominus$ and equilibrium constant of the reactions.
The rate for the reaction $R\rightarrow P$ is rate $= k[R].$ It has been shown graphically below. What is rate constant for the reaction?
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