MCQ
Oxidation state of nitrogen is incorrectly given for
Compound $\to$ Oxidation state
- A$[Co{(N{H_3})_5}Cl]C{l_2}$ $→$ $0$
- B$N{H_2}OH$$ → $ $- 1$
- ✓${({N_2}{H_5})_2}S{O_4}$$ → $ $ + 2$
- D$M{g_3}{N_2}$$ → $ $ - 3$
✓
Answer
Correct option: C.
${({N_2}{H_5})_2}S{O_4}$$ → $ $ + 2$
c
$\text { 1. }\left[ Co \left( NH _3\right)_5 Cl \right] Cl _2$
$\text { 1. }\left[ Co \left( NH _3\right)_5 Cl \right] Cl _2$
Let oxidation number of $N = x$
Oxidation number of $NH _3=0$
$x +1(3)=0$
$x =-3 \text { is correct. }$
$2.$ $NH _2 OH$
Let oxidation number of $N = x$
Oxidation number of $H =+1$
Oxidation number of $O =-2$
$x+3(+1)+(-2)=0$
$x =-1$ is correct
$\text { 3. }\left( N _2 H _5\right)_2 SO _4$
Let oxidation number of $N = x$
Oxidation number of $H =+1$
Oxidation number of $SO _4=-2$
$2(2( x )+5(+1))+(-2)=0$
$x =-2$ is incorrect
$4$.$Mg _3 N _2$
Let oxidation number of $N = x$
Oxidation number of $Mg =+2$
$2(x)+3(+2)=0$
$x =-3$ is correct
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 incorrect statement among the following is
Which graph represents zero order reaction $[A(g) \to B(g)]$
→What will be the order of Ist ionisation energy
The standard potential at ${25\,^o}C$ for the following half reactions are given against them
→$Z{n^{2 + }} + 2e \to Zn,{E^o} = - 0.762\,V$
$M{g^{2 + }} + 2e \to Mg,{E^o} = - 2.37\,V$
When zinc dust is added to the solution of $MgC{l_2}$
For which of the following reactions ${K_p} = {K_c}$
→The magnetic moment is measured in Bohr Magneton (BM).
→Spin only magnetic moment of $Fe$ in $\left[ Fe \left( H _2 O \right)_6\right]^{3+}$ and $\left[ Fe ( CN )_6\right]^{3-}$ complexes respectively is:
In the reaction The hybridisation states of carbon atoms $1, 2, 3, 4$ are
→$_H^{Br} > \mathop C\limits_1 = \mathop C\limits_2 < _H^{Br}$ $\xrightarrow[{Catalyst}]{{{H_2}}}Br\mathop {C{H_2}}\limits_3 \mathop {C{H_2}}\limits_4 Br$
Solubility of $16 \times {10^{ - 4}}\,m/s$ at ${20\,^o}C$ is $1.435 \times {10^{ - 3}}\,gm\,per\,litre$. The solubility product of $AgCl$ is
→Consider the above reaction, compound $B$ is :
→$N_2O(g) \to N_2(g) + \frac{1}{2}O_2(g)$
→In a closed vessel follows first order kinetics. If starting with pure $N_2O(g)$ total pressure after time $'t'$ is $P_t$ and after a very long time is $P_\infty$ then which of the following expressions is correct