Consider the following amino acid:
Which of the following options contain the correct structure of (A) and (B)?
Rate law for a reaction between $A$ and $B$ is given by $\mathrm{R}=\mathrm{k}[\mathrm{A}]^{\mathrm{n}}[\mathrm{B}]^{\mathrm{m}}$. If concentration of A is doubled and concentration of B is halved from their initial value, the ratio of new rate of reaction to the initial rate of reaction $\left(\frac{\mathrm{r}_{2}}{\mathrm{r}_{1}}\right)$ is
Given below are two statements: Statement (I): The first ionization energy of Pb is greater than that of Sn. Statement (II): The first ionization energy of Ge is greater than that of Si. In light of the above statements, choose the correct answer from the options given below:
Match the Compounds (List - I) with the appropriate Catalyst/Reagents (List - II) for their reduction into corresponding amines.
Identify correct statement/s: (A) \( -\text{OCH}_3 \) and \( -\text{NHCOCH}_3 \) are activating groups. (B) \( -\text{CN} \) and \( -\text{OH} \) are meta directing groups. (C) \( -\text{CN} \) and \( -\text{SO}_3\text{H} \) are meta directing groups. (D) Activating groups act as ortho- and para-directing groups. (E) Halides are activating groups. Choose the correct answer from the options given below:
Fortification of food with iron is done using $\mathrm{FeSO}_{4} .7 \mathrm{H}_{2} \mathrm{O}$. The mass in grams of the $\mathrm{FeSO}_{4} .7 \mathrm{H}_{2} \mathrm{O}$ required to achieve 12 ppm of iron in 150 kg of wheat is _______ (Nearest integer).} (Given : Molar mass of $\mathrm{Fe}, \mathrm{S}$ and O respectively are 56,32 and $16 \mathrm{~g} \mathrm{~mol}^{-1}$ )
For $\mathrm{A}_{2}+\mathrm{B}_{2} \rightleftharpoons 2 \mathrm{AB}$ $\mathrm{E}_{\mathrm{a}}$ for forward and backward reaction are 180 and $200 \mathrm{~kJ} \mathrm{~mol}^{-1}$ respectively. If catalyst lowers $\mathrm{E}_{\mathrm{a}}$ for both reaction by $100 \mathrm{~kJ} \mathrm{~mol}^{-1}$. Which of the following statement is correct?
Identify correct conversion during acidic hydrolysis from the following: (A) Starch gives galactose. (B) Cane sugar gives equal amount of glucose and fructose. (C) Milk sugar gives glucose and galactose. (D) Amylopectin gives glucose and fructose. (E) Amylose gives only glucose. Choose the correct answer from the options given below:
Match List - I with List - II:List - I: (A) \([ \text{MnBr}_4]^{2-}\) (B) \([ \text{FeF}_6]^{3-}\) (C) \([ \text{Co(C}_2\text{O}_4)_3]^{3-}\) (D) \([ \text{Ni(CO)}_4]\) List - II: (I) d²sp³ diamagnetic (II) sp²d² paramagnetic (III) sp³ diamagnetic (IV) sp³ paramagnetic
Given below are two statements: Statement I: D-(+)-glucose + D-(+)-fructose $\xrightarrow{H_2O}$ sucrose sucrose $\xrightarrow{\text{Hydrolysis}}$ D-(+)-glucose + D-(+)-fructoseStatement II: Invert sugar is formed during sucrose hydrolysis. In the light of the above statements, choose the correct answer from the options given below -
Total number of nucleophiles from the following is: \(\text{NH}_3, PhSH, (H_3C_2S)_2, H_2C = CH_2, OH−, H_3O+, (CH_3)_2CO, NCH_3\)
Consider the following molecules: The order of rate of hydrolysis is:
