Question

A catalyst changes both the equilibrium constant and the rate of a chemical equilibrium. j. Ifthe temperature of a chemical equilibrium is increased, the reaction will shift in a direction that will lead to the consumption of some of the extra heat. An increase in temperature favors an endothermic reaction over an exothermic reaction. k. nundifis Is ined If a chemical equilibrium is exothermic in the forward direction, it is also exothermic in the reverse 1. direction m. For an exothermic reaction, the equilibrium constant becomes smaller as the temperature increases and larger as the temperature decreases. n. For an endothermic reaction, the equilibrium constant becomes larger as the temperature increases and smaller as the temperature decreases. o. For the gas-phase equilibrium shown below, increasing the pressure increases the stress on the reaction. 2SO (g) + Olg) 2SO(g) p. For the gas-phase equilibrium described above (see problem1 (o)), the reaction will shift in a direction that will reduce the pressure. d

All questions are true or false

Answer 1

iFALSE Reason- A cataliyst only inereases the rate ofreartion by lowering its achvati om patential, but it doent hauc amy effect on equilibriun contant Iquitiumcontdamtisenlyalttdcd by.chonge in emperature FALSE Reason- According to Lechatliens principle- ftemperatureis increased at eaidibrium, then reaction pYreeds in ucha way toxedue the "intrcased temptrature" rather canuming mde hiat lwhich Leads in tncrease of tempereture) 1 TRUE Reason- Endothermic reaution absos heat, So increast in temperatuu favours endethemic reacrim FALSE Reason- FoTwand fvothermi Bautuand Endothermic according Lechatier's prineiple m) TRUE fxothesmic forwandl reathiont are favoured by ducrcass in tempereture Rearon TRUE Reasan- Enderfhemie forward reachions aru favooud by increate in temperetur

FALSE Reason FoY the reauton naepme-nefonusg procucts 2-(2t1) is negatiut So, ncrease in pressre hifts the eaiihriun no-omds An reautans tewonds the rigat This shitt in pressure tunnds nignt dcemt ereatC ony sressvielating Lechatlieis principle TRUE Reason- Atcording to ltchatiens principte Inurease in preune enaneguilibru make the eguilibrium hitt to a direction uchthat the preure recluces