The reactions that gives `O_(2)` gas is (are)

Zinc on reaction with NaOH gives a salt (A) along with a gas (B). (A) on reaction with H_(2)S gas gives a white precipitate (C ). Identify (A), (B) and (C ).

The reaction of slaked lime with Cl_2 gas gives

For the gas-phase reaction, 2NO hArr N_(2) + O_(2) : Delta H = -43.5 keal. Which one of the following is false for the reaction N_(2) (g) + O_(2) (g) hArr 2NO(g)

which of the following compounds on reaction with NaOH and H_(2)O_(2) gives yellow colour ?

The reaction of aqueus KMnO_(4) with H_(2)O_(2) in acidic conditions gives

A : Na_(2) S_(2) O_3 on reaction with l_(2) gives Na_(2) S_(4) O_(6) . R : This reaction involves colour and electronic change both .

Which of the following metals gives N_(2)O gas with dilute HNO_(3) ?

For the reaction : 2N_(2)O_(5) rarr 4NO_(2) +O_(2) , the rate of reaction in terms of O_(2) is d[O_(2)] /dt. In terms of N_(2)O_(5) , it will be :

A black mineral (A) on heating in presence of air gives a gas (B). The mineral (A) on reaction with dilute H_(2)SO_(4) gives a gas (C) and a solution of a compound (D) on passing the gas (C) into an aqueous solution of (B), a white turbidity is obtained. The aqueous solution of (D) on reaction with potassium ferricyanide gives a blue compound (E). Identify (A) to (E) and give chemical equations for the reaction involved.

Oixalic acid on stragheating gives (A) and (B) which are gaseous prouct and ( C) which is a liwue . Gas (B) turns lime water miky. Gas (A) on reaction with chlorine gas gives (D) . (D)m as wll as (B) on heating with ammonia gas gives the same produce ( E) . Identify (A) ,(B), ( C), (D) and ( E).