Find A , B and C in the following reactions: NH 3 + A + CO 2 → NH 4 2 CO 3 NH 4 2 CO 3 + H 2 O + B → NH 4 HCO 3 NH 4 HCO 3 + NaCl → NH 4 Cl + C

A - H 2 O ; B - CO 2 ; C - NaHCO 3

A - H 2 O ; B - O 2 ; C - Na 2 CO 3

A - H 2 O ; B - O 2 ; C - NaHCO 3

A - O 2 ; B - CO 2 ; C - Na 2 CO 3

Match List- I with List- II List- I List- II (a) Sodium Carbonate (i) Deacon (b) Titanium (ii) Castner-Kellner (c) Chlorine (iii) van-Arkel (d) Sodium hydroxide (iv) Solvay Choose the correct answer from the options given below:

a → iv , b → iii , c → i , d → ii

a → i , b → iii , c → iv , d → ii

a → iii , b → ii , c → i , d → iv

a → iv , b → i , c → ii , d → iii

EASY

Earn 100

Describe the melting point of sodium chloride?

Important Questions on The s-Block Elements

HARD

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Which of the following salt would give

{SO}_{2}

with hot and dil

H_{2} {SO}_{4}

and also decolourises

{Br}_{2}

water?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

One of the by-products formed during the recovery of

{NH}_{3}

from Solvay process is:

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Choose the incorrect statement.

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Potassium cyanide is made alkaline with

NaOH

and boiled with thiosulphate ions. The solution is cooled and acidified with

HCl

and this solution with iron

(III)

chloride produces :-

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Sodium hydroxide is manufactured by

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Given below are two statements: One is labelled as Assertion $A$ and the other labelled as Reason $R .$
Assertion $A$ : Lithium halides are some what covalent in nature.

Reason $R$ : Lithium possess high polarisation capability.

In the light of the above statements, choose the most appropriate answer from the options given below:

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

The metal nitrate that liberates

{NO}_{2}

on heating

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Which one of the following compounds is used as a chemical in certain type of fire extinguishers

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Products $(X$ and $Y)$ of the following reactions (I and II) are :
I. $\underset{(Cold and dil .)}{2 NaOH} + {Cl}_{2} ⟶ NaCl + X + H_{2} O$

II. $\underset{(Hot and conc .)}{6 NaOH} + 3 {Cl}_{2} ⟶ NaCl + Y + 3 H_{2} O$

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Find $A, B$ and $C$ in the following reactions:

${NH}_{3} + A + {CO}_{2} \to {({NH}_{4})}_{2} {CO}_{3}$

${({NH}_{4})}_{2} {CO}_{3} + H_{2} O + B \to {NH}_{4} {HCO}_{3}$

${NH}_{4} {HCO}_{3} + NaCl \to {NH}_{4} Cl + C$

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

A sodium salt of an unknown anion when treated with

{MgCl}_{2}

gave a white precipitate only upon boiling. Identify the anion.

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

The gas produced when

Zn

metal is heated with aqueous

NaOH

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

In the preparation of baking soda,

H_{2} O

and

{CO}_{2}

in ratio is used to react with

{Na}_{2} {CO}_{3}

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

On strong heating, the nitrate of which metal does not produce nitrogen dioxide?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Match List -I with List-II and select the correct answer using the codes given below:

List I		List II
(A)	Hydrolith	1.	$KCNS$
(B)	Rhodamine	2.	${Al}_{2} {({SO}_{4})}_{3} \cdot 18 H_{2} O$
(C)	Hair salt	3.	${BaSO}_{4} \cdot ZnS$
(D)	Lithopone	4.	${CaH}_{2}$

MEDIUM

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

The reaction of zinc with excess of aqueous alkali, evolves hydrogen gas and gives

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Amongst baking soda, caustic soda and washing soda carbonate anion is present in :

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Match List- $I$ with List- $II$

List- $I$		List- $II$
(a)	Sodium Carbonate	(i)	Deacon
(b)	Titanium	(ii)	Castner-Kellner
(c)	Chlorine	(iii)	van-Arkel
(d)	Sodium hydroxide	(iv)	Solvay

Choose the correct answer from the options given below:

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

Which among the following gas is bubbled through the brine solution during the preparation of sodium carbonate in Solvay's process?

EASY

Chemistry>Inorganic Chemistry>The s-Block Elements>Some Important Compounds of Sodium

A hydrated solid X on heating initially gives a monohydrated compound Y. Y upon heating above

373 K

leads to an anhydrous white powder Z. X and Z, respectively, are;

Describe the melting point of sodium chloride?

Important Questions on The s-Block Elements

Learn and Prepare for any exam you want !