MCQ
Arrange these compounds in decreasing order of basic strength ?
- A$(i) > (ii) > (iii) > (iv)$
- B$(ii) > (iii) > (i) > (iv)$
- ✓$(iv) > (i) > (iii) > (ii)$
- D$(iv) > (i) > (ii) > (iii)$
✓
Answer
Correct option: C.
$(iv) > (i) > (iii) > (ii)$
c
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
The major products $A$ and $B$ for the following reactions are, respectively
→Two reactions $R_1$ and $R_2$ have identical pre-exponential factors. Activation energy of $R_1$ exceeds that of $R_2$ by $10\, kJ\,mol^{-1}.$ If $k_1$ and $k_2$ are rate constants for reactions $R_1$ and $R_2$ respectively at $300 \,K,$ then $\ln (k_2/k_1)$ is equal to :
→$(R=8.314\,J\, mol^{-1}\,K^{-1})$
A substance ${C_4}{H_{10}}O$ yields on oxidation a compound ${C_4}{H_8}O$ which gives an oxime and a positive iodoform test. The original substance on treatment with conc. ${H_2}S{O_4}$ gives ${C_4}{H_8}$. The structure of the compound is
→Glycosidic linkage is actually an
Match List$-I$ with List$-II$:
→|
List$-I$ (Parameter) |
List$-II$ (Unit) |
| $(a)$ Cell constant | $(i)$ $\mathrm{S}\, \mathrm{cm}^{2} \,\mathrm{~mol}^{-1}$ |
| $(b)$ Molar conductivity | $(ii)$ Dimensionless |
| $(c)$ Conductivity | $(iii)$ $\mathrm{m}^{-1}$ |
| $(d)$ Degree of dissociation of electrolyte | $(iv)$ $\Omega^{-1} \,\mathrm{~m}^{-1}$ |
Choose the most appropriate answer from the options given below :
Which of the following reacts with hinsberg reagent to give product which is soluble in alkali
$\begin{array}{*{20}{c}}
{\,\,\,\,\,\,\,\,\,\,\,\,\,O} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\
{\mathop {C{H_3}MgBr}\limits_{(excess)} + Et - O - C - O - Et\xrightarrow[{(2){H^ \oplus }}]{}(A)}
\end{array}$ ; Product $A$ is
→{\,\,\,\,\,\,\,\,\,\,\,\,\,O} \\
{\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\
{\mathop {C{H_3}MgBr}\limits_{(excess)} + Et - O - C - O - Et\xrightarrow[{(2){H^ \oplus }}]{}(A)}
\end{array}$ ; Product $A$ is
Actinoids belongs to following type of elements:
In alkyl cyanide alkyl group attached with
The boiling point of $0.1$ molal aqueous solution of urea is ${100.18^o}C$ at $1$ atm. The molal elevation constant of water is
→