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Do Shiksha provide NCERT Class 12 Chemistry Chapter 1 exercise Solutions PDF Download link?

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  • Yes, we have activate the Class 12 Chemistry Chapter 1 NCERT solutions pdf download link online. Students can download solutions pdf free.

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At 25°C the standard emf of cell having reactions involving two electrons change is found to be 0.295 V. The equilibrium constant of the reaction is :
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alok kumar singh

ΔG° = –RT * 2.303 log K

–nFE° = +RT * 2.303 log K

2 * 96500 * 0.295 = 8.314 * 298 * 2.303 log10 K

10 = log10 K = 1010

The standard enthalpy of combustion at 25°C of hydrogen, cyclohexene (C6H10) and cyclohexane (C6H12) are –241, –3800 and –3920 kJ mol–1 respectively. Calculate the standard enthalpy of hydrogenation of cyclohexene.
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alok kumar singh

Kindly go thorugh the solution

 

HCP crystal is made of A ions and B ions are arranged in 2/3rd of octahedral voids. The simplest formula of compound is :-
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alok kumar singh

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Enthalpy of neutralisation of CH3COOH by NaOH is – 50.6 kJ/mol and the heat of neutralisation of a strong acid with NaOH is – 55.9 kJ/mol. The value of ΔH for the ionisation of CH3COOH is :
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alok kumar singh

CH3COOH + NaOH → CH3COONa + H2O

ΔH = –50.6 kJ/mol

NaOH + SA [HCl] → NaCl + H2O

ΔH = –55.9 kJ/mol

the value of ΔH for ionisation of CH3COOH

⇒ ΔH = +55.9 – 50.6

5.3 kJ/mol

Kindly Consider following table–

(i)    The correct match is–

 

 

  

 
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alok kumar singh

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Fact.

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