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A metal salt mx when exposed to light splits up to form metal m and gas xsquare metal m is used in making ornaments where as gas x square is used in making bleaching powder .the salt mxis itself used in black white photography? A.) what is m?B.) what is gas xsquare?C.)name metal salt mxD.)what type of chemical reaction takes place to get m&x?
Verified Answer
A metal salt mx when exposed to light splits up to form metal m and ga...
The gas produced X2  from the salt MX is involved in formation of bleaching powder, so, first of all we consider the formation of bleaching powder Ca(OCl)Cl or CaOCl2 involves;

Ca (OH)2 (slaked lime or calcium hydroxide)+ Cl2 (chlorine gas) ---> Ca (OCl)Cl + H2O

Further, the metal M is used in ornaments so ,it may be Au(gold), Ag(silver), Platinum(Pt)etc.

But, the metal salt is MX (Metal chloride) and as Chlorine is monovalent  with -1 oxidation state so the metal should also have +1 Oxidation state to form MX salt.

Hence, the metal with +1 oxidation state is silver (Ag) which forms silver chloride with Cl2 gas as AgCl (MX salt), and it is also used in black and white photography.

Thus,
1. Metal M is silver (ag)
2. the gas X2 is chlorine Cl2 
3. The metal salt (MX) is silver chloride or AgCl.
4.Chemical reaction  of decomposition of AgCl is on exposure to light is known as photolysis
 2AgCl(s)  —> 2Ag(s)+Cl2(g) 
Silver chloride 
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Most Upvoted Answer
A metal salt mx when exposed to light splits up to form metal m and ga...
The metal is silver Ag
the gas is chlorine Cl
the metal salt is silver chloride AgCl
when this salt is exposed to light decomposition reaction takes place.
eq
AgCl. - Ag + Cl2
Community Answer
A metal salt mx when exposed to light splits up to form metal m and ga...
I think m is silver x is chlorine salt is silver chloride it is a decomposition reaction
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A metal salt mx when exposed to light splits up to form metal m and gas xsquare metal m is used in making ornaments where as gas x square is used in making bleaching powder .the salt mxis itself used in black white photography? A.) what is m?B.) what is gas xsquare?C.)name metal salt mxD.)what type of chemical reaction takes place to get m&x?
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A metal salt mx when exposed to light splits up to form metal m and gas xsquare metal m is used in making ornaments where as gas x square is used in making bleaching powder .the salt mxis itself used in black white photography? A.) what is m?B.) what is gas xsquare?C.)name metal salt mxD.)what type of chemical reaction takes place to get m&x? for Class 10 2024 is part of Class 10 preparation. The Question and answers have been prepared according to the Class 10 exam syllabus. Information about A metal salt mx when exposed to light splits up to form metal m and gas xsquare metal m is used in making ornaments where as gas x square is used in making bleaching powder .the salt mxis itself used in black white photography? A.) what is m?B.) what is gas xsquare?C.)name metal salt mxD.)what type of chemical reaction takes place to get m&x? covers all topics & solutions for Class 10 2024 Exam. Find important definitions, questions, meanings, examples, exercises and tests below for A metal salt mx when exposed to light splits up to form metal m and gas xsquare metal m is used in making ornaments where as gas x square is used in making bleaching powder .the salt mxis itself used in black white photography? A.) what is m?B.) what is gas xsquare?C.)name metal salt mxD.)what type of chemical reaction takes place to get m&x?.
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