Nitrogen and sulfur - class-XII
Description: nitrogen and sulfur | |
Number of Questions: 114 | |
Created by: Tanya Dwivedi | |
Tags: p- block elements-ii the p-block elements elements of group 13, 14 and 15 chemistry p-block elements nitrogen and sulfur compounds of non-metals |
Ammonia is used in detection of $Cu^{2+}$ ion because:
Ammonia is a Lewis base. It forms complexes with cations. Which one of the following cations does not form complex with ammonia?
$-{ NH } _{ 2 }$ group shows acidic nature while reacts with this reagent:
Liquor ammonia bottles are opened only after cooling. This is because:
Hydroxide of which compound is insoluble in aquous ammonia solution?
Acidic nature of amino group is shown by the reaction :-
The enthalpy of formation of ammonia is $-46.0KJ{mol}^{-1}$. The enthalpy change for the reaction
$2{NH} _{3}(g)\rightarrow {N} _{2}(g)+3{H} _{2}(g)$
Which one does not liberate NH3 when undergoes hydrolysis?
Which of the following metal on burining in mosist air does not give smell of ammonia?
The formula of Ammonium Sulphate is:
In Haber's process for the manufacture of ammonia, the catalyst used is :
Which of the following can be decomposed chemically?
Ammonia gas dissolves in water to give $NH _{4}OH$. In this reaction. water acts as :-
Chlorine reacts with excess of ammonia to form :
Which of the following gives nitrogen on thermal decomposition?
Which of the following is soluble in ammonia ?
Nitriding is a process of heating steel in atmosphere of:
Ammonia evolved from the treatment of $0.30$g of an organic compound for the estimation of nitrogen was passed in $100$ mL of $0.1$M sulphuric acid. The excess of acid required $20$ mL of $0.5$M sodium hydroxide solution for complete neutralization. The organic compound is:
Ammonium ion is detected by the addition of an alkali.
Freshly prepared pure dilute solution of sodium in liquid ammonia :
Which of the following are correct statements?
Which of the following can be classified as a molecular hydride ?
When chlorine reacts with a gas X, an explosive inorganic compound Y is formed. Then X and Y will be :
Ammonia cannot be dried over regular dehydrating agent like:
Identify $(E)$ and $(F)$ in the following:
$CaCO _3\rightarrow \underset{(g)}{(A)}+\underset{(solid)}{(B)}$
$(B)+H _2O\rightarrow (C)\overset{(A)}{\rightarrow}(D)\overset{(A)excess}{\rightarrow}(E)$
$(A)+NH _3\overset{\Delta}{\rightarrow}(F)$
$NH _3+ O _2 \longrightarrow$ (B) (brown fumes)
$NH _3 + I^- \longrightarrow$ (E) (violet vapours)
What is (E) ?
$NH _3 + O _2 \overset {Pt}{\rightarrow}$$A+H _2O$
$NH _3 + H _2O \longrightarrow$ (C) + (D) (both oxy acid)
In liquid $NH _3$ :
Aqueous solution of ammonia consists of :
In the absence of catalyst, ammonia is burnt in an atmosphere of oxygen and produces :
Ammonia is highly soluble in water. Other gases showing similar solubility is/are :
Fertilizer obtained from ammonia is/are :
Ammonia on reaction with hypochlorite anion can form:
A bottle of liquor ammonia should be cooled before opening.
$NH _{3}$ can enter into complex formation due to:
Sodium dissolved in ammonia has blue colour due to:
Some of the reasons of reacting $NH _{3}$ with hydrogen chloride are given below. Pick up the correct statement(s) from the following.
The atomic weight of zinc is $65.4$. The volume of dry hydrogen at NTP liberated by treating $6.54\ g$ of zinc with dilute sulphuric acid would be:
A gas which is colourless, soluble in water and gives white fumes with $HCl$ is :
Ammonia is dried over:
Which of the following is the weakest base?
Statement 1: When HCl gas and $NH _3$ gas come into contact, a white smoke forms.
Statement 2: $NH _3$ and HCl react to form a white solid, ammonium chlorate.
Which of the following substance cannot be decomposed chemically?
Ammonia gas on passing through copper sulphate solution gives deep blue solution.
Ammonia reacts with excess of chlorine to form :
Which of the following compounds are formed by the reaction of ammonia with acids?
Ammonia gas cannot be dried by passing through :
Identify the probable products for the reaction of $N{ H } _{ 3 }$ with ${ Cl } _{ 2 }$.
Which of the following has highest proton affinity:
The chemical used for cooling in refrigeration is:
$NH _3$ gas is liquefied more easily than $N _2$. Hence:
Which compound form linear polymer due to H-bond :
What is the amount of hear released when $3.4$ gm $NH _3$(g) and $6.4$gm $O _2$(g) react at constant temperature and pressure by the following equation.
$4NH _3$(g) + $5O _2$ (g) \rightarrow $4NO(g)$ + $6H _2O$(g) . $\Delta _1H^0 = 900 k.$
Hypotism is a powerful art of suggestion. Under the influence of hypnotism, subjects may report as normal, a slightly smell from:
Ammonia gas on passing through copper sulphate solution gives:
Which of the following chemicals has caused disasters by exploding in the holds of ships in harbours and in warehouses?
Ammonia burns with oxygen to give :
Which of the following compounds are formed by the reaction of ammonia with acids?
Ammonia gas cannot be dried by passing through:
Identify the probable products for the reaction of $NH _{3}$ with $Cl _{2}$.
In Ammonia-Boron trifluoride complex, the donor molecule is Ammonia.
$NH^+ _4$ is iso structural with:
$S _1$: AgCl with liquid ammonia forms a complex $[Ag(NH _3) _2]^+$.
$S _2$: Ammonium dichromate on heating decomposes to give nitrogen and a green colored compound.
$S _3$: CaNCN on hydrolysis produces a white precipitate and a gas which turns filter paper moistened with copper sulphate solution deep blue.
The reaction between two different gases produce a solid substance as product always.
Geometry of ammonia molecule and the hybridisation of nitrogen involved in it are:
Carbonyl chloride react with ammonia to give:
Which statement is false:
Ammoniacal liquor is :
Which of the following has maximum complex forming ability with a given metal ion?
The uses of ammonia is/are :
Ammonia acts as a :
The oxidation state of nitrogen in ammonia molecule is -3.
What is the action of the Nessler's reagent on ammonia?
What is the action of the sodium metal on ammonia?
When Ammonical common salt solution is saturated with carbon dioxide we obtain ?
Chlorine reacts with excess of ammonia to form:
The formal charge on nitrogen atom in ammonium ion is
Ammonia, $NH _3$ and hydrazine, $NH _2NH _2$, are two compounds of nitrogen, $N _2$. Which statement is correct?
$NaOCl$ reacts with $NH _3$ to produce :
Name a gas whose solution in water is alkaline.
Which of the following gas burns in oxygen with a green flame?
What are the products formed when ammonia is oxidized with copper oxide?
Gases: ammonia, chlorine, hydrogen chloride and sulphur dioxide
Formation of ammonium sulphate from ammonia and dil sulphuric acid is given by :
The two ions which are formed when ammonia dissolves in water are ammonium ion and ___________ .
Give balanced equation for reaction in which $NH _3$ is oxidized by a gas which is not oxygen.
Compound which on heating with sodium hydroxide produces a gas which forms dense white fumes with hydrogen chloride?
Give a balanced reaction in which ammonia is oxidised by a metal oxide.
Which of the following does not react with $AgCl$?
Ammonia on reaction with hypochlorite anion forms :
The bottles of liquid ammonia are opened after cooling them in ice for sometime. It is because liquid ammonia :
Which of the following would lose weight when exposed to the atmosphere?
Liquid ammonia is a fuel for:
The ion or group detected by $K _2[HgI _4]$ is:
When $Na$ reacts with liquid $NH _3$ the following substance is formed:
Ammonia and the ammonium ion can be differenciated by:
$\displaystyle Al{ Cl } _{ 3 }\left( aq \right) +{ NH } _{ 3 }\left( aq \right) + { H } _{ 2 }O\rightarrow $
Which of the following is one of the products obtained from the reaction above?
When heated $NH _3$ is passed over $CuO$, evolved gas is :
When excess of ammonia is used:
$3Cl _2+8NH _3$$\longrightarrow$$A+B$
When excess of chlorine is used:
$3Cl _2+4NH _3$$\longrightarrow$$C+D$
The oxidation state of nitrogen in compound $D$ is:
An alkaline earth metal $(M)$ dissolves in liquid ammonia forming a deep blue-black solution. The reaction involved is:
When ammonium nitrate is mixed with aluminium powder, we get 'ammonal', which is:
The organic compound which was first prepared in the laboratory ?
$NH _{3} + HCI \rightarrow $
Select the correct options about the solubility of the following species in $ H _2O$ and $ NH _3 $(aq).
$AgF, AgCN, AgCl, Agl, CaF _2, CaCl _2 $ :
Which has the highest $pK _b$ value ?
Which of the following forms hydrogen bond?
Statement 1: $NH _{3}$ can be best collected by water displacement.
Statement 2: $NH _{3}$ is a polar substance.
When excess of ammonia is used:
$3Cl _2+8NH _3$$\longrightarrow$$A+B$
When excess of chlorine is used:
$3Cl _2+4NH _3$$\longrightarrow$$C+D$
The oxidation state of nitrogen in compound $A$ is:
When excess of ammonia is used:
$3Cl _2+8NH _3$$\longrightarrow$$A+B$
When access of chlorine is used:
$3Cl _2+4NH _3$$\longrightarrow$$C+D$
Oxidation state of nitrogen in compound $B$ is:
Fertilizer used in excess by the farmers does not cause water pollution.