MCQ
Incorrectly matched characteristic is
- A$S_8$ : Covalent lattice
- B$P_4$ : Tetrahedron
- C$S_4^{2-}$ : Zig-Zag
- ✓$SiO_2$ : Covalent lattice
✓
Answer
Correct option: D.
$SiO_2$ : Covalent lattice
d
$H _2 SO _5, H _2 S _2 O _8$ have peroxy linkage and thus are peroxy acids.
$H _2 SO _5, H _2 S _2 O _8$ have peroxy linkage and thus are peroxy acids.
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'A' salt which gives green flame with bunsen burner, on reaction with dil. $H_2SO_4$ produces gas $(2)$ and white turbidity $(Z)$. The saturated solution of gas $(2)$ on reaction with $H_2S$ gas produces '$Z$' then select $CORRECT$ statement
→$\begin{matrix}
O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
Ph-C-C{{H}_{3}}\xrightarrow[HCl]{NaN{{O}_{2}}}(A)\xrightarrow[heat]{A{{C}_{2}}O}(B)\xrightarrow{{{H}_{3}}{{O}^{+}}}(C) \\
\end{matrix}$
→O\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
||\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\, \\
Ph-C-C{{H}_{3}}\xrightarrow[HCl]{NaN{{O}_{2}}}(A)\xrightarrow[heat]{A{{C}_{2}}O}(B)\xrightarrow{{{H}_{3}}{{O}^{+}}}(C) \\
\end{matrix}$
Product $(C)$ of the above reaction is
All bond lengths are identical in :-
Choose incorrect stability order
Which is incorrect
When the following aldohexose exists in its $D$-configuration, the total number of stereoisomers in its pyranose form is :
→Elevation in boiling point was ${0.52\,^o}C$ when $6\,gm$ of a compound $X$ was dissolved in $100\,gm$ of water. Molecular weight of $X$ is $({K_b}$ for water is $0.52$ per $1000\,gm$ of water)
→Product is
Match List-I with List-II.
Choose the correct answer from the options given below :
→| List-I (Partial Derivatives) | List-II (Thermodynamic Quantity) | ||
| (A) | $\left(\frac{\partial G }{\partial T }\right)_{ P }$ | (I) | $C_P$ |
| (B) | $\left(\frac{\partial H }{\partial T }\right)_{ P }$ | (II) | -S |
| (C) | $\left(\frac{\partial G }{\partial P }\right)_{ T }$ | (III) | $C_V$ |
| (D) | $\left(\frac{\partial U }{\partial T }\right)_{ V }$ | (IV) | V |
Arrangement of${(C{H_3})_3} - C - {(C{H_2})_3} - CH - C{H_3} - C{H_2} - C{H_3}$ when attached to benzyl or an unsaturated group in increasing order of inductive effect is
→