The pair in which `1^( st )` atom has more EA than `2^(nd)` atom is.
A)`O_(g),S_(g)`
B)`F_(g),Cl_(g)`
C)`P_(g),N_(g)`
D)`I_(g),Br_(g)`

For which reaction is K_(p)=K_c ? (P) 2Na_2(g)+O_2(g)to2N_2O(g) (Q) C(s)+O_2(g)toCO_2(g) (R) N_2O_4(g)to2NO_2(g)

A certain reaction occurs in the following steps : (1) Cl_((g))+O_(3(g))to ClO_((g))+O_(2(g)) (2) ClO_((g))+O_((g))to Cl_((g))+O_(2(g)) (a) What is the molecularity of each of the elementary steps ? (b) Identify the reaction intermediate and write the chemical equation for overall reaction.

Determine K_(c ) for the reaction (1)/(2)N_(2)(g)+(1)/(2)O_(2)(g)+(1)/(2)Br_(2)(g)H+hArrNOBr(g) from the following data at 298 K . The equilibrium constants for the following reaction 2NO(g)hArrN_(2)(g)+O_(2)(g) and NO(g)+(1)/(2)Br_(2)(g)hArrNOBr(g) are 2.4xx10^(30) and 1.4 , respectively.

Which has more atoms? (a)10g of nitrogen (N_(2)) ? 10g of ammonia (NH_(3))

For which of the following reactions, the degree of dissociation cannot be calculated from the vapour density data I. 2HI(g) hArr H_(2)(g)+I_(2)(g) II. 2NH_(3)(g) hArr N_(2)(g)+3H_(2)(g) III. 2NO(g)hArr N_(2)(g)+O_(2)(g) IV. PCl_(5)(g) hArr PCl_(3)(g)+Cl_(2)(g)

Write the relation between K_(p)and K_(c) for the following reactions (i) N_(2)(g)+3H_(2)(g)hArr2H_(2)(g)+O_(2)(g) (ii) 2H_(2)O(g)hArr2H_(2)(g)+O_(2)(g)

In the following process/es Delta H lt Delta U (A) C(s) + O_(2)(g) rarr CO_(2)(g) (B) CO(g)+(1)/(2)O_(2)(g) rarr CO_(2)(g) (C) N_(2)(g)+3H_(2)(g) rarr 2NH_(3)(g) (D) CaCO_(3)(s) rarr CaO(s) + CO_(2)(g)