`Na(s)+Cl(g)rarr Na^(+)(g)+Cl^(-)(g)` Number of endothermic and exothermic steps involved in the above process respectively.

At 375K and at a total pressure of one atmosphere sulphuryl chloride (SO_(2)Cl_(2)) undergoes dissociation according to the equation : SO_(2) Cl_(2) (g) hArr SO_(2)(g) + Cl_(2)(g) to the extent of 90%. Hence the work done in the process at the same temperature:

For the reaction PCl_(5)(g)toPCl_(3)(g)+Cl_(2)(g) where ΔH and ΔE represents enthalpy change and internal energy change respectively.

The dissociation of phosgene, which occurs according to the reaction COCl_(2)(g)hArrCO(g)+Cl_(2)(g) Is an endothermic process. Which of the following will increase the degree of dissociation of COCl_(2)?

Find number of atoms in 46g of Na?

The gas phase reaction PCl_(5)(g) PCl_(3)(g)+Cl_(2)(g) is an endothermic reaction. The formation of PCl_(5) in equilibrium mixture of PCl_(5)(g), PCl_(3)(g) and Cl_(2)(g) can be decreased by :

The reaction obey I order with respect to H_(2) and ICl both. H_(2) (g) + 2ICl(g) rarr 2 HCl(g) + I_(2) (g) Which of the following mechanism is in consistent with the given fact ? Mechanism A: H_(2) (g) + 2Cl rarr 2HCl(g) + I_(2)(g) Mechanism B: (i) H_(2)(g) + ICl(g) overset ("slow")rarr HCl(g) + HI(g) (ii) HI(g) + ICl(g) rarr HCl(g) + I_(2)

Predict whether the reaction, H - H (g) + Cl - Cl(g) to 2H - Cl (g) , will be exothermic or endothermic. Give reason for your answer.

H_(2)(g) +Cl_(2)(g) rarr 2HCl(g) +185 kJ . State whether this reaction is exo or endothermic and why?

For a reaction 2NO(g) +Cl_(2)(g) rarr 2NOCl(g) , when concentration of Cl_(2) is doubled, the rate becomes four times. What is the order of reaction with respect to Cl_(2) ?

In a two step exothermic reaction A_(2)(g) + B_(2)(g) hArr 3C(g) hArr D(g)," "DeltaH=-ve steps 1 & 2 are favoured respectively by .