Write the balanced chemical equation for the following reactions. Sodium metal reacts with … 2 A g C l 2 A g ( s ) + C l ( g ) This is called as Photo decomposition Reaction. Silver forms an #Ag^(+)# ion and Chlorine gains an electron to form a #Cl^(-)# ion. ____ #KClO_3 -># ____ #KCl +# ____ #O_2#. why only these? (CBSE 2012) Answer: Question 37. ‘Q’ on exposure to sunlight undergoes decomposition reaction to form metal present in along with a reddish brown gas. After the electron is released, it will combine with an interstitial Ag i+ to create a silver metal atom Ag i0: e − + Ag i+ → Ag i0. Q6. Silver bromide on exposure to sunlight decomposes into silver and bromine. Sodium phosphate and calcium chloride react to form... How can I balance this equation? A white salt of lead on heating decomposes to give brown fumes and a residue is left behind (a) identify 'x'. AgBr is widely used in photographic films and is believed by some to have been used for making the Shroud of Turin. Why do chemical equations need to be balanced? around the world. This is due to decomposition of silver chloride into grey silver and chlorine in the presence of light, This happens due to the absorption of light energy. Ag + 2HNO 3 → AgNO 3 + NO 2 + H 2 O. (i) Silver bromide on exposure to sunlight decomposes into silver and bromine. A simple equation is balanced by hit and trial method so that same total number of ... Silver chloride when exposed to sunlight turns grey. They represent gaseous elements formed in atomic state and equation is not balanced. a light sensitive compound 'x' of silver is used in black and white photography on exposure to sunlight its colour changes to grey. Short Answer Type Questions[l] [2 Marks]-Year 201. However, Chlorine exists as diatomic molecules, meaning it goes round in pairs of two chlorine atoms, so the chlorine as a reactant would be Cl_2, and thus we need 2 Ag atoms to balance it out. Silver bromide (AgBr), a soft, pale-yellow, water-insoluble salt well known (along with other silver halides) for its unusual sensitivity to light.This property has allowed silver halides to become the basis of modern photographic materials. Why is balancing chemical equations important? (b) write a chemical equation to express the above change Identify the type of reactions(s) in the following equations. (i) Silver bromide on exposure to sunlight decomposes into silver and bromine, (ii) Sodium metal reacts with water to form sodium hydroxide and hydrogen gas. Identify the type of reactions(s) in the following equations. (b) Sodium metal reacts with water to form sodium hydroxide and hydrogen gas. Write the balanced chemical equation for the following reactions. Silver iodide, a yellow solid, hardly reacts with light at all. Silver bromide is a light-sensitive compound that is it gets decomposed when exposed to light. How do I get the chemical equation of aniline to phenylisocyanide? A white salt of lead on heating decomposes to give brown fumes and a residue is left behind (i) Name the salt Identify ‘P’ and ‘Q’. 2Ag + Cl_2 -> 2AgCl Silver forms an Ag^(+) ion and Chlorine gains an electron to form a Cl^(-) ion. So when silver bromide is exposed to sunlight, it gets decomposed to give silver metal and bromine gas is liberated. Hope this helps; let me know if I can do anything else:) List two categories in which this reaction can be placed. Answer: When silver bromide is exposed to light, it decomposes to form silver metal and bromine When light falls on pale yellow coloured silver bromide, it changes to greyish white due to the formation of silver metal. The reaction is given as follows: 2AgBr(s)→ 2Ag(s) + Br2(g) (ii) Sodium metal reacts with water to form sodium hydroxide and hydrogen gas. However, Chlorine exists as diatomic molecules, meaning it goes round in pairs of two chlorine atoms, so the chlorine as a reactant would be Cl_2, and thus we need 2 Ag atoms to balance it out. When light is incident on the silver halide grain surface, a photoelectron is generated when a halide loses its electron to the conduction band: X − + hν → X + e −. Write balanced chemical equation for the chemical reaction. When silver chloride is left exposed in sunlight, it decomposed to black metallic color silver and chlorine gas is evolved. Write balanced chemical equations for the following reactions: (a) Silver bromide on exposure to sunlight decomposes into silver and bromine. How can I balance this chemical equations?

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