MCQ
Nitrogen dioxide cannot be obtained by heating
- ✓$KN{O_3}$
- B$Pb{(N{O_3})_2}$
- C$Cu{(N{O_3})_2}$
- D$AgN{O_3}$
✓
Answer
Correct option: A.
$KN{O_3}$
a
(a) $\underset{(S)}{\mathop{2KN{{O}_{3}}}}\,\,\xrightarrow{\Delta }\,\underset{(S)}{\mathop{2KN{{O}_{2}}}}\,+{{O}_{2}}$
(a) $\underset{(S)}{\mathop{2KN{{O}_{3}}}}\,\,\xrightarrow{\Delta }\,\underset{(S)}{\mathop{2KN{{O}_{2}}}}\,+{{O}_{2}}$
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
Which of the following occurs when two hydrogen atoms bond with each others
The wavelength of electrons accelerated from rest through a potential difference of $40\, \mathrm{kV}$ is $\mathrm{X}\, \times$ $10^{-12} \,\mathrm{~m}$. The value of $\mathrm{x}$ is $......$. (Nearest integer)
→Given : Mass of electrons $=9.1 \times 10^{-31}\, \mathrm{~kg}$
Charge on an electron $=1.6 \times 10^{-19}\, \mathrm{C}$
Planck's constant $=6.63 \times 10^{-34\,} \mathrm{Js}$
Aldehydes can be oxidised by
Which nitrogen trihalides is least basic
Match List $I$ with List $II$ :
→|
List $I$ (Molecule Species) |
List $I$ ( Property Shape ) |
| $A$ $\mathrm{SO}_2 \mathrm{Cl}_2$ | $I$ Paramagnetic |
| $B$ $NO$ | $II$ Diamagnetic |
| $C$ $\mathrm{NO}_2^{-}$ | $III$ Tetrahedral |
| $D$ $\mathrm{I}_3^{-}$ | $IV$ Linear |
Choose the correct answer from the options given below :
Correct acidic nature is
Determine the order of reaction on the basis of following data for the reaction $A + B \to C$
→| Exp. | $[A]$ | $[B]$ | Rate of reaction |
| $1$ | $0.1$ | $0.1$ | $2 \times {10^{ - 3}}\,mol\,{L^{ - 1}}\,{\sec ^{ - 1}}$ |
| $2$ | $0.4$ | $0.1$ | $0.4 \times {10^{ - 2}}\,mol\,{L^{ - 1}}\,{\sec ^{ - 1}}$ |
| $3$ | $0.1$ | $0.2$ | $1.4 \times {10^{ - 2}}\,mol\,{L^{ - 1}}\,{\sec ^{ - 1}}$ |
(Major Product)
The enthalpy change $(\Delta H)$ for the reaction,
→$N_2(g) + 3H_2(g) \to 2NH_3(g)$ is
$-\,92.38\,KJ$ at $298\,K$ . The internal energy change $\Delta U$ at $298\,K$ is.....$KJ$
For $d-$ block elements the first ionization potential is of the order
→