New chat PYQ Library Doubts Rank report

Sign in to see Recents

Sign in to save progress →

Ionic Equilibrium question

2017 · Shift 0 · Q16

Guest · try one question or challengeGuest · try one question or challenge

PYQ Library
JEE Main
Chemistry
Ionic Equilibrium
2017 · Shift 0 · Q16

Ionic Equilibrium question

2017 · Shift 0 · Q16

JEE MainChemistryIonic EquilibriumMCQ+4 / −1

pKa of a weak acid (HA) and pKb of a weak base (BOH) are 3.2 and 3.4, respectively. The pH of their salt (AB) solution is :

A
6.9
B
7.0
C
1.0
D
7.2

More from Ionic Equilibrium

How many litres of water must be added to 1 litre of an aqueous solution of HCl with a pH of 1 to create an aqueous solution with pH of 2?2013 · MCQ
The pH of a 0.1 molar solution of the acid HQ is 3. The value of the ionization constant, Ka of this acid is :2012 · MCQ
Solubility product of silver bromide is 5.0 $\times$ 10–13. The quantity of potassium bromide (molar mass taken as 120g of mol–1) to be added to 1 litre of 0.05 M solution of silver nitrate to start the precipitation of AgBr is :2010 · MCQ
At 25°C, the solubility product of $M g (O H)_{2}$ is 1.0 $\times$ 10–11. At which pH, will $M g^{2 +}$ ions start precipitating in the form of $M g (O H)_{2}$ from a solution of 0.001 M $M g^{2 +}$ ions?2010 · MCQ
Three reactions involving $H_{2} P O_{4}^{-}$ are given below : (i) $H_{3} P O_{4}$ + $H_{2} O$ $\to$ $H_{3} O^{+}$ + $H_{2} P O_{4}^{-}$ (ii) $H_{2} P O_{4}^{-}$ + $H_{2} O$ $\to H P O_{4}^{2 -}$ + $H_{3} O^{+}$ (iii) $H_{2} P O_{4}^{-}$ + $O H^{-}$ $\to$ $H_{3} P O_{4}$ + $O^{2 -}$ In which of the above does $H_{2} P O_{4}^{-}$ …2010 · MCQ
Solid $B a (N O_{3})_{2}$ is gradually dissolved in a 1.0 $\times$ 10-4 M $N a_{2} C O_{3}$ solution. At what concentration of $B a^{2 +}$ will a precipitate begin to form ? (Ksp for $B a C O_{3}$ = 5.1 $\times$ 10−9 )2009 · MCQ
The pKa of a weak acid, HA, is 4.80. The pKb of a weak base, BOH, is 4.78. The pH of an aqueous solution of the corresponding salt, BA, will be2008 · MCQ
Four species are listed below i. $H C O_{3}^{-}$ ii. $H_{3} O^{+}$ iii. $H S O_{4}^{-}$ iv. $H S O_{3} F$ Which one of the following is the correct sequence of their acid strength?2008 · MCQ