Download App

Redox Reactions — Chemistry STD 11 Science — Question

Rajasthan BoardEnglish MediumSTD 11 ScienceChemistryRedox Reactions1 Mark
MCQ
Oxidation state of nitrogen in NH2​OH is:
  • A
    −3
  • B
    −1
  • C
    +2
  • D
    3
✓

Answer

  1. −1

Explanation:

Let x be the oxidation state of N in NH2​OH.

Since the overall charge on the complex is 0, the sum of oxidation states of all elements in it should be equal to 0.

Therefore, x + 2 − 1 = 0 or, x = −1.

Need a full question paper?

Generate a complete, print-ready paper with questions like this in minutes — across 16+ boards, with answer keys.

Start Generating Free

Explore more

More "M.C.Q (1 Marks)" from Redox Reactions→Redox Reactions — all question types→Chemistry STD 11 Science question papers→Rajasthan Board STD 11 Science question papers→Rajasthan Board question paper generator→

Similar questions

Enthalpy change for reaction, $\frac{1}{2}{H_2} + \frac{1}{2}C{l_2} \to HCl$, is called
→
A litre of buffer solution contains $0.1$ mole of each of $NH _3$ and $NH _4 Cl$. On the addition of $0.02\,mole$ of $HCl$ by dissolving gaseous $HCl$, the $pH$ of the solution is found to be $......\times 10^{-3}($ Nearest integer)

$\left[\right.$ Given : $pK _{ b }\left( NH _3\right)=4.745$

$\log 2=0.301$

$\log 3=0.477$

$T =298\,K ]$

→
Which one of the following explains light both as a stream of particles and as wave motion
→
The standard entropies of $C{O_2}(g),\,C(s)$ and ${O_2}(g)$ are $213.5, 5.740 $ and $205$  $J{K^{ - 1}}$ respectively. The standard entropy of formation of $C{O_2}$ is.......$J{K^{ - 1}}$
→
Which of the following has a high polarising power
→
For the given series of reaction-

$NH_3(g) + O_2(g) \rightarrow  NO(g) + H_2O(l)$

$NO(g) + O_2(g) \rightarrow NO_2(g)$

To obtain maximum mass of $NO_2$ from a given mass of mixture $NH_3$ and $O_2$, the ratio of mass of $NH_3$ to $O_2$ should be -

→
The $IUPAC$ name of $\begin{array}{*{20}{c}}
  {OH\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,O} \\ 
  {|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,||} \\ 
  {C{H_3} - C - C{H_2} - C - C{H_3}} \\ 
  {\,|\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} \\ 
  {H\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,\,} 
\end{array}$ is
→
Which of the following act as nucleophiles
→
The equivalent weight of $KI{O_3}$ in the reaction $2Cr{(OH)_3} + 4OH + KI{O_3} \to 2\,CrO_4^{2 - } + 5{H_2}O + KI$ is
→
$IUPAC$ name of the following compound $C{H_3} - C{H_2} - \mathop {CH - C{H_2}}\limits^{\mathop {O\,\,\,\,\,\,\,}\limits_{/\,\,\,\,\,\backslash \,\,\,\,\,\,\,} } $ is
→