Which of the following reactions will get affected by increasing the pressure? Also, mention whether change will cause the reaction to go into forward or backward direction.
`(i) COCl_(2)(g)hArrCO(g)+Cl_(2)(g)`
`(ii) CH_(4)(g)+2S_(2)(g)hArrCS_(2)(g)+2H_(2)S(g)`
`(iii) CO_(2)(g)+C(s)hArr2CO(g)`
`(iv) 2H_(2)(g)+CO(g)hArrCH_(3)OH(g)`
`(v)CaCO_(3)(s)hArrCaO(s)+CO_(2)(g)`
`(vi) 4NH_(3)(g)+5O_(2)(g)hArr4NO(g)+6H_(2)O(g)`