B.1.0 10\" The sake efeq siaean caseart is E), The nuction kaPaee. 1. Deng Tihui

Question

B.1.0 10" The sake efeq siaean caseart is E), The nuction kaPaee. 1. Deng Tihuinetie pola at wakh ise ooke chaags is abnersndla ta observed in cated de standard point C. indcainr petri D.end point 12.. KaylaardHalan maand the pH eraglaa wire be 3.5LV rd' wire Iebo),56. Whe is ta hydrogen lon [H7eeeeenakmof dic wise? A-2.75 x10" C. 2.73s1u" E Nine ofthe above 13. What is de hydroside ion Kn1-1 camoenntionethe wine ,hover A, 3.63 x10' is. 225x10 C. 3.63 x 10-a: D. 275 x1 E 336 Barbie and Tartetha measumul the solubiity hedact Canistant fKspi of C he 2.55 10a 25 What isthe molar solubility of CaiOHb [Elint Caroll-Ca>, 20 A. 241 10 B.3.99 xlo" C.L67x1 D. I,48x10.3

Explanation / Answer

10) Ans- Option- D

At equilibrium, the rate of forward and backward direction becomes equal to each other and a rapid interconversion of reactant to product and back to reactant takes place and no further change in the concentration of reactant and product takes place.

11) Ans- Option D

in titration the point at which colour change is observed is called as end point

12) pH of wine observed= 3.56

pH = - log [H+]

or 3.56 =  - log [H+]

or [H+] = 10-3.56 = 2.75 x 10-4 M

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