Question
Distinguish between methanoic acid and ethanoic acid?
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Neeta was experimenting in the lab to study the chemical reactivity of alcohols. She carried out a dehydration reaction of propanol at $140^\circ C$ to $180^\circ C$. Different products were obtained at these two temperatures.
a. Identify the major product formed at $140^\circ C$ and the substitution mechanism followed in this case.
b. Identify the major product formed at $180^\circ C$ and the substitution mechanism followed in this case.
→a. Identify the major product formed at $140^\circ C$ and the substitution mechanism followed in this case.
b. Identify the major product formed at $180^\circ C$ and the substitution mechanism followed in this case.
a. Give the structure of all the possible dipeptides formed when the following two amino acids form a peptide bond.
b. Keratin, insulin, and myosin are a few examples of proteins present in the human body. Identify which type of protein is keratin and insulin and differentiate between them based on their physical properties.
b. Keratin, insulin, and myosin are a few examples of proteins present in the human body. Identify which type of protein is keratin and insulin and differentiate between them based on their physical properties.
Explain why $\ce{[Fe(H_2O)_6]^{3+}}$ has magnetic moment value of $5.92BM$ whereas $\ce{[Fe(CN)_6]^{3-}}$ has a value of only $1.74BM.$
→What happens when :
(a) Acetone is treated with $Zn ( Hg ) /$ conc. HCl .
(b) Ethanal is treated with Methylmagnesium bromide and then hydrolysed ?
(c) Who are the members of halogen family?
→(a) Acetone is treated with $Zn ( Hg ) /$ conc. HCl .
(b) Ethanal is treated with Methylmagnesium bromide and then hydrolysed ?
(c) Who are the members of halogen family?
An organic compound 'X', does not undergo aldol condensation. However 'X' with compound 'Y' in the presence of a strong base react to give the compound 1,3-diphenylprop-2-en-1-one.
a. Identify 'X' and 'Y'
b. Write the chemical reaction involved.
c. Give one chemical test to distinguish between X and Y.
a. Identify 'X' and 'Y'
b. Write the chemical reaction involved.
c. Give one chemical test to distinguish between X and Y.
In the button cells widely used in watches and other devices the following reaction takes place:
$Zn(s) + Ag_2O(s) + H_2O(l) \rightarrow Zn^{2+}(aq) + 2Ag(s) + 2OH^– (aq)$
Determine $\triangle_\text{r}\text{G}^\ominus$ and $\text{E}^\ominus$ for the reaction.
→$Zn(s) + Ag_2O(s) + H_2O(l) \rightarrow Zn^{2+}(aq) + 2Ag(s) + 2OH^– (aq)$
Determine $\triangle_\text{r}\text{G}^\ominus$ and $\text{E}^\ominus$ for the reaction.
What product will be formed on reaction of propanal with 2-methylpropanal in the presence of NaOH? What products will be formed? Write the name of the reaction also.
Complete the following chemical reaction equations:
$\text{Cr}_2\text{O}^{2-}_7(\text{aq})+\text{Fe}^{2+}(\text{aq})+\text{H}^+(\text{aq})\xrightarrow{\ \ \ \ \ \ \ \ \ }$
→$\text{Cr}_2\text{O}^{2-}_7(\text{aq})+\text{Fe}^{2+}(\text{aq})+\text{H}^+(\text{aq})\xrightarrow{\ \ \ \ \ \ \ \ \ }$
For the decomposition of azoisopropane to hexane and nitrogen at $543 K$, the following data are obtained.
Calculate the rate constant.
→| $\ce{t (\sec)}$ | $\ce{P(mm of Hg)}$ |
| $0$ | $35.0$ |
| $360$ | $54.0$ |
| $720$ | $63.0$ |
Write down the $\text{IUPAC}$ name for the following complex and indicate the oxidation state, electronic configuration and coordination number. Also give stereochemistry and magnetic moment of the complex:
$\ce{[Co(NH_3)_5Cl-]Cl_2}$
→$\ce{[Co(NH_3)_5Cl-]Cl_2}$