MyQuestionIcon

1

You visited us 1 times! Enjoying our articles? Unlock Full Access!

Salt of Weak Acid and Strong Base

Which of the ...

Question

Which of the following correctly represents conjugate acid-base pair?

A

HCl, NaOH

No worries! We‘ve got your back. Try BYJU‘S free classes today!

B

HCl, Cl^-

Right on! Give the BNAT exam to get a 100% scholarship for BYJUS courses

C

NH₃, H₂O

No worries! We‘ve got your back. Try BYJU‘S free classes today!

D

BF₃, NH₃

No worries! We‘ve got your back. Try BYJU‘S free classes today!

Open in App

Solution

The correct option is B
HCl, Cl^-

HCl generates Cl^- after losing a proton thus is conjugate base of HCl.

Suggest Corrections

thumbs-up

1

Similar questions

Q. Identify the correct statement(s) for the given reaction.

H C l + H_{2} O \to H_{3} O^{+} + C l^{-}

a) Conjugate base of

H C l

C l^{-}

b) Conjugate acid-base pair is

H_{3} O^{+}

H_{2} O

c) Conjugate base of

H_{2} O

H_{3} O^{+}

d) Conjugate acid-base pair is

H C l

H_{3} O^{+}

Q. Which choice or choices demonstrate amphoterism?
i.

H C l + H_{2} O \to H_{3} O^{+} + C l^{-}

H_{2} O + N_{3} \to O H^{-} + N H_{4}^{-}

H S^{-} + H C l \to C l^{-} + H_{2} S

H S^{-} + N H_{3} \to N H_{4}^{+} + S^{2 -}

H C l + N a O H \to N a C l + H_{2} O

N a C l + H_{2} O \to H C l + N a O H

Q. (a) Mention conjugate base of each of the following:

H S^{-}, H_{3} O^{+}, H_{2} {P O}_{4}^{-}, H {S O}_{4}^{-}, H F, {C H}_{3} C O O H, C_{6} H_{5} O H, H C l O_{4}, {N H}_{4}^{+}

(b) Mention the conjugate acid of each of the following:

{O H}^{-}, {C H}_{3} C O O^{-}, {C l}^{-}, {C O}_{3}^{2 -}, H_{2} {P O}_{4}^{-}, {C H}_{3} {N H}_{2}, {C H}_{3} C O O H, {N H}_{2}^{-}

(c) Which of the following behave both as Bronsted acids as well as Bronsted bases?

H_{2} O, H {C O}_{3}^{-}, H_{2} {S O}_{4}, H_{3} {P O}_{4}, H S^{-}, {N H}_{3}

(d) Which is stronger acid in each of the following pairs?

H C l, H I; H_{2} {C O}_{3}, H_{2} {S O}_{4}; H_{2} O, H_{2} S; C_{2} H_{5} O H, C_{6} H_{5} O H

(e) Which is stronger base in each of the following pairs?

{O H}^{-}, {C l}^{-}; {O H}^{-}, {N H}_{2}^{-}; {O H}^{-}, {C H}_{3} C O O^{-}; {C H}_{3} C O O^{-}, {C l}^{-}; {N H}_{3}, {C H}_{3} {N H}_{2}

(f) Classify the following into acids and bases according to Lewis concept:

S^{2 -}, H^{+}, {O H}^{-}, B F_{3}, {N i}^{2 +}, N F_{3}, A l {C l}_{3}, S n {C l}_{4}, {N H}_{3}, {({C H}_{3})}_{2} O

Q. In the reaction

N H_{3} + H_{2} O \to N H_{4}^{+} + O H^{-}

, the conjugate acid-base pair is:

Q. From the following reactions identify each of an Arrhenius acid or base, Bronsted-Lowry acid or base, or Lewis acid or base.
(A)

N a O H

N a O H \to {N a}^{+} + {O H}^{-}

H C l

H C l \to H^{+} + {C l}^{-}

N H_{3}

N H_{3} + H^{+} \to N H_{4}^{+}

N H_{4}^{+}

N H_{4}^{+} \to N H_{3} + H^{+}

{(C H_{3})}_{3} N :

{(C H_{3})}_{3} N : + B F_{3} \to {(C H_{3})}_{3} N : B F_{3}

View More

Join BYJU'S Learning Program

similar_icon

Related Videos

lock

Hydrolysis

CHEMISTRY

Watch in App

explore_more_icon

Explore more

Salt of Weak Acid and Strong Base

Standard XII Chemistry

Join BYJU'S Learning Program

CrossIcon