Home
Class 12
CHEMISTRY
The equivalent conductance of 0.1 N of H...

The equivalent conductance of 0.1 N of `H_(3)PO_(4)` at `18^(f@)C` is 96.5 `Omega^(-1) cm^(2) eq^(-1)` if `wedge_(HCI)^(@)=378.3 , wedge_(NaCI)^(@)=109 , wedge_(NaH_(2)PO_(4))^(@)=70 Omega^(-1) cm^(-2)eq^(-1)` respectively calculate the degree of dissoication and dissoication constant for the reaction
`H_(3)PO_(4)rarrH_(2)PO_(4)`

A

`alpha=0.668 ,K =6.63 xx10^(-2)`

B

`alpha=0.389 ,K =5.53 xx10^(-2)`

C

`alpha=0.2844 ,K =1.13 xx10^(-2)`

D

`alpha=0.2587 ,K =2.56 xx10^(-2)`

Text Solution

Verified by Experts

The correct Answer is:
C
`alpha=0.2844 ,K =1.13 xx10^(-2)`
Promotional Banner

Topper's Solved these Questions

  • ELECTROCHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment (SECTION - J) (Aakash Challengers Questions)|10 Videos

  • ELECTROCHEMISTRY

    AAKASH INSTITUTE|Exercise Assignment (SECTION - H) (Multiple True-False Type Question)|3 Videos

  • COORDINATION COMPOUNDS

    AAKASH INSTITUTE|Exercise Assignment (Section-J Aakash Challenger Questions )|10 Videos

  • ENVIRONMENTAL CHEMISTRY

    AAKASH INSTITUTE|Exercise ASSIGNMENT (SECTION-D) (Assertion - Reason Type Questions)|5 Videos

Similar Questions

Explore conceptually related problems

The equivalent weight of phosphoric acid (H_(3)PO_(4)) in the reaction NaOH+H_(3)PO_(4) rarr NaH_(2)PO_(4)+H_(2)O is

For the redox reaction xP_(4)+yHNO_(3)rarrH_(3)PO_(4)+NO_(2)+H_(2)O

What is the n-factor for H_(2)PO_(4) in the reaction 2NaOH+H_(3)PO_(4)rarr Na_(2)HPO_(4)+2H_(2)O ?

What should be the order of acidic strength in the series H_(3)PO_(4) , H_(3)PO_(3) , and H_(3)PO_(2) ?

The addition of NaH_(2)PO_(4) to 0.1M H_(3)PO_(4) will cuase

What is the equivalent weight of phosphoric acid (H_(3) PO_(4)) according to the equation NaOH + H_(3) PO_(4) rarr NaH_(2) PO_(4) + H_(2)O

The true statement for the acids of phosphorus, H_(3)PO_(2), H_(3)PO_(2) and H_(3)PO_(4) is

The true statement for the acids of phosphorus. H_(3)PO_(2) H_(3)PO_(3) and H_(3)PO_(4) is: