MCQ
Isomers of propionic acid are
- A$HCOO{C_2}{H_5}$ and $C{H_3}COOC{H_3}$
- ✓$HCOO{C_2}{H_5}$ and ${C_3}{H_7}COOC{H_3}$
- C$C{H_3}COOC{H_3}$ and ${C_3}{H_7}OH$
- D${C_3}{H_7}OH$and $C{H_3}COC{H_3}$
✓
Answer
Correct option: B.
$HCOO{C_2}{H_5}$ and ${C_3}{H_7}COOC{H_3}$
b
Need a full question paper?
Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.
Explore more
Similar questions
Acidified permanganate solution does not oxidize
The difference between the reaction enthalpy change $\left( {{\Delta _r}H} \right)$ and reaction internal energy change $\left( {{\Delta _r}U} \right)$ for the reaction
→$2C_6H_6 (l) + 15O_2 (g) \longrightarrow 12CO_2 (g) + 6H_2O(l)$
at $300\, K$ is ....$J\,mol^{-1}$ ($R = 8.314\, J\, mol^{-1}\, K^{-1}$)
Equivalent weight of a bivalent metal is $37.2$. The molecular weight of its chloride is
→In which of the following cases, the stability of two oxidation states is correctly represented
For a reaction $A \rightarrow 2 B + C$ the half lives are $100\,s$ and $50\,s$ when the concentration of reactant $A$ is $0.5$ and $1.0 \,mol\,L ^{-1}$ respectively. The order of the reaction is (Nearest Integer)
→Correct order of nucleophilicity
Which of the following has highest first ionization energy
Dilution processes of different aqueous solutions, with water, are given in $LIST-I$. The effects of dilution of the solutions on $\left[ H ^{+}\right]$ are given in $LIST-II.($Note: Degree of dissociation $( \alpha )$ of weak acid and weak base is $<<1$; degree of hydrolysis of salt $<<1 ;\left[ H ^{+}\right]$ represents the concentration of $H ^{+}$ ions$)$
Match each process given in $LIST-I$ with one or more effect$(s)$ in $LIST-II$. The correct option is
→| $LIST-I$ | $LIST-II$ |
| $P(10 \ mL $ of $0.1 M NaOH +20 \ mL$ of $0.1 M $ acetic acid$)$ diluted to $60 \ mL$ | $1$ the value of $\left[ H ^{+}\right]$ does not change on dilution |
| $Q (20 \ mL $ of $ 0.1 \ M \ NaOH +20 \ mL $ of $0.1 \ M $ acetic acid$)$ diluted to $ 80\ mL$ | $2$ the value of $\left[ H ^{+}\right]$ changes to half of its initial value on dilution the value of $\left[ H ^{+}\right]$ changes to two times of its initial value on dilution |
| $R(20 \ mL $ of $ 0.1 \ M HCl +20 \ mL$ of $0.1 \ M$ ammonia solution$)$ diluted to $80 \ mL$ | $3$ the value of $\left[ H ^{+}\right]$changes to $1 / \sqrt{2}$ times of its initial value on dilution |
| $S10 \ mL$ saturated solution of Ni $( OH )_2$ in equilibrium with excess solid Ni $( OH )_2$ s diluted to $20 \ mL ($solid Ni $( OH )_2$ is still present afterdilution$).$ |
$4$the value of $\left[ H ^{+}\right]$changes to $\sqrt{2}$ times of its initial value on dilution |
| $5$ the value of $\left[ H ^{+}\right]$changes to $\sqrt{2}$ times of its initial value on dilution |
Consider the following reaction
→$\mathrm{MnO}_2+\mathrm{KOH}+\mathrm{O}_2 \rightarrow \mathrm{A}+\mathrm{H}_2 \mathrm{O} .$
Product ' $A$ ' in neutral or acidic medium disproportionate to give products ' $\mathrm{B}$ ' and ' $\mathrm{C}$ ' along with water. The sum of spin-only magnetic moment values of $B$ and $C$ is . . . . . .$BM$. (nearest integer)
(Given atomic number of $\mathrm{Mn}$ is $25$ )
The orbital pictute of a triplet carbene can be drawn as