Oxoacids of Nitrogen

Q. Match the following:

Oxide	Nature
(a) $CO$	(i) Basic
(b) $BaO$	(ii) Neutral
(c) $A{l}_2{O}_3$	(iii) Acidic
(d) $C{l}_2{O}_7$	(iv) Amphoteric

Which of the following is correct?

1. $a-\left(iii\right);b-\left(iv\right);c-\left(i\right);d-\left(ii\right)$
2. $a-\left(iv\right);b-\left(iii\right);c-\left(ii\right);d-\left(i\right)$
3. $a-\left(i\right);b-\left(ii\right);c-\left(iii\right);d-\left(iv\right)$
4. $a-\left(ii\right);b-\left(i\right);c-\left(iv\right);d-\left(iii\right)$

Q. The pair in which phosphorus atoms have a formal oxidation state of $+3$ is :-

1. Pyrophosphorus and pyrophosphoric acids
2. Orthophosphorus and pyrophosphorus acids
3. Pyrophosphorus and hypophosphoric acid
4. Orthophosphoros and hypophosphoric acids

Q. Which of the following equation depicts the oxidizing nature of $H_2{O}_2$?

1. $2I^{-}+H_2{O}_2+2H^{+}\to I_2+2H_{2}O$
2. $KI{O}_4+H_2{O}_2\to KI{O}_3+H_{2}O+O_2$
3. $C{l}_2+H_2{O}_2\to 2HCl+O_2$
4. $I_2+H_2{O}_2+2O{H}^{-}\to 2I^{-}+2H_{2}O+O_2$

Q. Predict the major product of the following reaction :
$C_6{H}_{5}COC{H}_3\stackrel{Se{O}_2}{\to }$ ___

1. $C_6{H}_{5}COCHO$
2. $C_6{H}_{5}C{H}_{2}COOH$
3. $C_6{H}_{5}COCOC{H}_3$
4. $C_6{H}_{5}COOH$

Q. Find the values of x and y in the following redox reaction,
$xC{l}_2+6O{H}^{-}⟶Cl{O}_3^{-}+yC{l}^{-}+3H_{2}O$

1. x = 3, y = 5
2. x = 5, y = 3
3. x = 4, y = 2
4. x = 2, y = 4

Q. Given below are two statements :

Statement I : $H_2{O}_2$ can act as both oxidising and reducing agent in basic medium.

Statement II : In the hydrogen economy, the energy is transmitted in the form of dihydrogen.

In the light of the above statement, choose the correct answer from the options given below:

1. Both statement I and statement II are false
2. Statement I is true but statement II is false
3. Both statement I and statement II are true
4. Statement I is false but statement II is true

Q. Which of the following reactions depicts the reducing action of hydrogen peroxide ?

1. $C_6{H}_6+H_2{O}_2\to C_6{H}_{5}OH+H_{2}O$
2. $O_3+H_2{O}_2\to 2O_2+H_{2}O$
3. $2F{e}^{2+}+2H^{+}+H_2{O}_2\to 2F{e}^{3+}+2H_{2}O$
4. $2I^{-}+2H^{+}+H_2{O}_2\to I_2+H_{2}O$

Q. IUPAC name of $\left[Co\right(N{H}_3{)}_{5}N{O}_2]C{l}_2$

1. pentaaminenitrocobalt(III) chloride
2. pentaaminenitrosocobalt(III) chloride
3. pentaaminenitrocobalt(II) chloride
4. None of these

Q. The IUPAC name $\left[Ni\right(N{H}_3{)}_4\left]\right[NiC{l}_4]$ is :

1. $\text{tetrachloronicked(II) tetraaminenickel(II)}$
2. $\text{tetramminenickel(II) tetrachloronickel(II)}$
3. $\text{tetraamminenickel(II) tetrachloronickelate(II)}$
4. $\text{tetrachloronickel(II) tetraaminenickelate(0)}$

Q. If phosphorous acid, tetrathionic acid, and pyrophosphoric acid have number of acidic hydrogen per molecule respectively as $x,y,\text{and}z$, then find the value of $x+y-z$.

Q. Which of the following names are correct for the given oxyacids?

1. - Nitrous acid
2. - Nitrous acid
3. - Polynitryl acid
4. - Nitric acid

Q. Out of the following, how many species than can act as both oxidising as well as reducing agent ?

$\begin{array}{cccc}1.& N{a}_2{O}_3& 2.& N_2{H}_4\\ 3.& FeS{O}_3& 4.& H_4{P}_2{O}_6\\ 5.& H_2{S}_2{O}_7& & \end{array}$

Q.

Write the properties of neutral oxide.

Q. Which of the following oxide(s) is/are neutral?

1. $NO$
2. $N_{2}O$
3. $CO$
4. $N_2{O}_5$

Q. $C{O}_2$ dissolves in water to form:

1. $C{O}_2$
2. carbonic acid
3. $C{H}_4$
4. $O_2$

Q. Mark the neutral oxide among the following.

1. $N_2{O}_3$
2. $N_{2}O$
3. $CO$
4. $C{O}_2$

Q. Diazonium salt decomposes as $C_6{H}_5{N}_2^{+}C{l}^{-}\to C_6{H}_{5}Cl+N_2$. At $0^{o}C$, the evolution of nitrogen becomes two times faster when the initial concentration of the salt is doubled, therefore it is:

1. a first order reaction
2. a second order reaction
3. independent of the initial concentration of the salt
4. a zero order reaction

Q. Compound which has the highest $p{K}_a$ is:
[0.77 Mark]

1. $\text{HF}$
2. $\text{HCl}$
3. $\text{HBr}$
4. $\text{HI}$

Q. Out of the following, the species that can act as both oxidising as well as reducing agent is/are

I.	$N_2{O}_3$	II.	$N_2{H}_4$
III.	$FeS{O}_3$	IV.	$H_4{P}_2{O}_6$
V.	$H_2{S}_2{O}_7$

1. $II,IIIandVonly$
2. $I,II,IIIandIVonly$
3. $III,IVandVonly$
4. $IandIIIonly$

Q. When $I^{-}$ is oxidized by $Mn{O}_4^{-}$ in alkaline medium, $I^{-}$ is converted into

1. $I{O}_3^{-}$
2. $I_2$
3. $I{O}_4^{-3}$
4. $IO$

Q.

Which reaction is not feasible?

1. $2\mathrm{KI}+{\mathrm{Br}}_2\to 2\mathrm{KBr}+{\mathrm{I}}_2$

2. $2\mathrm{KBr}+{\mathrm{I}}_2\to 2\mathrm{KI}+{\mathrm{Br}}_2$

3. $2\mathrm{KBr}+{\mathrm{Cl}}_2\to 2\mathrm{KCl}+{\mathrm{Br}}_2$

4. $2{\mathrm{H}}_2\mathrm{O}+2{\mathrm{F}}_2\to 4\mathrm{HF}+{\mathrm{O}}_2$

Q. Acidic strength of $HN{O}_2$ is than/to
$HN{O}_3$ .

1. less
2. more
3. equal

Q. Select the correct statement

1. Ostwald's method of preparation of $HN{O}_3$ is based upon catalytic oxidation of $N{H}_3$ by atmospheric oxygen
2. $HN{O}_2$ acts as both oxidising and reducing agents
3. $N{O}_2$ reacts with $O_3$to form $N_2{O}_5$
4. All of these

Q. Which of the following is a highly basic oxide?

1. $S{O}_2$
2. $S{O}_3$
3. $Te{O}_2$
4. $Te{O}_3$

Q. The non-metallic oxide formed when phosphorus burns in oxygen is:

1. $P_2{O}_5$
2. $N_{2}O$
3. $C{O}_2$
4. HgO

Q. $N_2{O}_5$ has a symmetrical structure in gaseous state.

1. True
2. False

Q. Which of the following is correct?
A)$S{O}_2$ is Lewis acid as well as base.
B) $S{O}_3$ is lewis acid.
C)$N_{2}O$ is a neutral oxide.
D)$O_3$, decrease the mobility of Hg(l).

1. A, C, D
2. A, B, C, D
3. B, C
4. A, B, C

Q. $N_2{O}_5$ has a symmetrical structure in gaseous state.

1. True
2. False

Q. Acidic strength of $HN{O}_2$ is than/to
$HN{O}_3$ .

1. less
2. more
3. equal

Q. Of the following acids the one which has the capability to form complex compound and also possesses oxidising and reducing properties is:

1. $HN{O}_3$
2. $HN{O}_2$
3. $HCOOH$
4. $HCN$