Chemistry

In the following reaction:

The product 'X' formed in following reaction is:

For the reaction A_(g) -> B_(g) the value of the equilibrium constant at 300K and 1 atm is equal to 100.0 The value of ${\Delta }_{r}G$ for the reaction at 300K and 1 atm in J mol^-1 is -xR, where x is_________.

(Rounded off to the nearest integer)

[R = 8.31 J mol^-1 K^-1 and In 10 = 2.3]

The stepwise formation of ${{\left[Cu{\left(N{H}_3\right)}_4\right]}^2}^{+}$ is given below:

$C{u}^{2+}+N{H}_3\stackrel{k_1}{\rightleftharpoons }{\left[Cu\left(N{H}_3\right)\right]}^{2+}$

${\left[Cu\left(N{H}_3\right)\right]}^{2+}+N{H}_3\stackrel{k_2}{\rightleftharpoons }{\left[Cu{\left(N{H}_3\right)}_2\right]}^{2+}$

${\left[Cu{\left(N{H}_3\right)}_2\right]}^{2+}+N{H}_3\stackrel{k_3}{\rightleftharpoons }{\left[Cu{\left(N{H}_3\right)}_3\right]}^{2+}$

${\left[Cu{\left(N{H}_3\right)}_3\right]}^{2+}+N{H}_3\stackrel{k_4}{\rightleftharpoons }{\left[Cu{\left(N{H}_3\right)}_4\right]}^{2+}$            

The value of stability constants k₁, k₂, k₃ and k₄ are $10^4,1.58*10^3,5*10^{2}and10^2$  respectively.

The overall equilibrium constants for dissociation of ${\left[Cu{\left(N{H}_3\right)}_4\right]}^{2+}isx*10^{-12}.$  The value of x is________ (Rounded off to the nearest integer)

The intermediate X, in the reaction

Number of amphoteric compounds among the following is___________.

(a) BeO     (B) BaO                          (c) Be(OH)₂                       (d) Sr(OH)₂

The gas released during anaerobic degradation of vegetation may lead to:

The major product in the reaction

Out of the following which type of interaction is responsible for the stabilization of a-helix structure of proteins?

Which of the following are isostructural pairs?

A.   $S{O}_4^{2-}andCr{O}_4^{2-}$             

B. SiCl₄ and TiCl₄

C. NH₃ and   $N{O}_3^{-}$

D. BCl₃ and BrCl₃