EASY

Earn 100

The melting point of sodium chloride is $K$ .

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Important Questions on The s-Block Elements

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?

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

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

The gas produced when

Zn

metal is heated with aqueous

NaOH

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

Sodium hydroxide is manufactured by

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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;

EASY

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

A mixture of camphor and benzoic acid can be separated by

MEDIUM

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

Several sodium compounds find use in industries. Which of the following compounds are used for textile industry?

MEDIUM

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

Which of the following pairs cannot exist together in a solution?

EASY

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

Which of the following compounds is consumed during the preparation of

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

by Solvay's process?

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

Sodium carbonate is a white crystalline solid which exists as a _____.

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

Select the correct statements

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

Sodium thiosulphate is a

EASY

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

The number of hydroxide ions, produced by one molecule of sodium carbonate

(N a_{2} C O_{3})

on hydrolysis is

HARD

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

Na

and

K

form wide variety of hydrated carbonates and hydrogen carbonates. Out of given mixed metal combination which can produce

{CO}_{2}

along with water vapours on heating in flame.

HARD

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

Select the codes accordingly

I.	${HCO}_{2}^{-}$	A.	Obtained through Solvay process
II.	$K_{2} {CO}_{3}$	B.	Green colour due to ${[C r {(H_{2} O)}_{6}]}^{3 +}$
III.	$S_{2} O_{3}^{2 -} + {FeCl}_{3}$	C.	Reduces ${[Cu {(C_{4} H_{4} O_{6})}_{2}]}^{2 -}$
IV.	${SO}_{3}^{2 -} + K_{2} {Cr}_{2} O_{7} / H^{+}$	D.	Green colouration
V.	${Na}_{2} {CO}_{3}$	E.	Melts at $850 ° C$