Match the following? Species Conjugate acid ( a ) NH 3 ( i ) H 2 CO 3 ( b ) HCO 3 - ( ii ) H 3 O + ( c ) H 2 O ( iii ) NH 4 + ( d ) HSO 4 - ( iv ) H 2 SO 4

( a → iii ),( b → i ),( c → ii ),( d → iv )

( a → i ),( b → iii ),( c → ii ),( d → iv )

( a → iii ),( b → ii ),( c → i ),( d → iv )

( a → iii ) , ( b → ii ) , ( c → iv ) , ( d → i )

EASY

Earn 100

$NaCl$ is a _____ salt.

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Important Questions on Acids, Bases and Salts

EASY

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

{BF}_{3}

is an acid, according to

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

The strength of an aqueous

N a O H

solution is most accurately determined by titrating: (Note: consider that an appropriate indicator is used)

EASY

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

If you spill a chemical toilet cleaning liquid on your hand, your first aid would be:

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

Match the reactants in List-I with the products in List-II.

	List - I		List - II
(a)	$H_{2} O + H_{2} S$	(i)	$(H_{3} O^{+}, {HS}^{-})$
(b)	$H_{2} O + N^{3 -}$	(ii)	$({NH}_{3}, {OH}^{-})$
(c)	$H_{2} O + {SiCl}_{4}$	(iii)	$({OH}^{-}, H_{3} S^{+})$
(d)	$H_{2} O + F_{2}$	(iv)	$({SiO}_{2}, HCl)$
		(v)	$({SiO}_{4}^{4}, {Cl}_{2})$
		(vi)	$(O_{2}, F^{-})$
		(vii)	$(HF, {OH}^{-})$
		(viii)	$({OH}^{-}, {HN}_{3})$

EASY

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

In the following reactions,

ZnO

is respectively acting as a/an,

(i)

ZnO + {Na}_{2} O \to {Na}_{2} {ZnO}_{2}

(ii)

ZnO + {CO}_{2} \to {ZnCO}_{3}

EASY

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

The conjugate base of

{NH}_{3}

EASY

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

In the reaction $B (OH)_{3} + 2 H_{2} O ⟶ {[B (OH)_{4}]}^{-} + H_{3} O$

$B (OH)_{3}$ functions as

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

The exact volumes of

1 M NaOH

solution required to neutralise

50 mL

1 M H_{3} {PO}_{3}

solution and

100 mL

2 M H_{3} {PO}_{2}

solution, respectively, are :

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

Which of the following are Lewis acids?

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

Conjugate base for Bronsted acids

H_{2} O

and

HF

are:

EASY

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

What kind of a molecule

{AlCl}_{3}

is ?

EASY

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

Which of the following are the example of double salt?

(A) ${FeSO}_{4} \cdot {({NH}_{4})}_{2} {SO}_{4} \cdot 6 H_{2} O$

(B) ${CuSO}_{4} \cdot 4 {NH}_{3} \cdot H_{2} O$

(D) $Fe (CN)_{2} \cdot 4 KCN$

Choose the correct answer.

EASY

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

Acidity of

{BF}_{3}

can be explained on which of the following concepts?

EASY

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

Which of the following is the strongest base?

EASY

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

Which of the following compound CANNOT act as a Lewis base?

MEDIUM

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

The correct decreasing order of the basic strength is

EASY

Science>Chemistry>Acids, Bases and Salts>Salts and Its Types

Match the following?

Species	Conjugate acid
$(a) {NH}_{3}$	$(i) H_{2} {CO}_{3}$
$(b) {HCO}_{3}^{-}$	$(ii) H_{3} O^{+}$
$(c) H_{2} O$	$(iii) {NH}_{4}^{+}$
$(d) {HSO}_{4}^{-}$	$(iv) H_{2} {SO}_{4}$