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Solved: Element M is a shiny and highly reactive metal
Chapter 8, Problem 80P(choose chapter or problem)
Element M is a shiny and highly reactive metal (melting point \(\mathrm {63^\circ C}\)), and element X is a highly reactive nonmetal (melting point \(\mathrm {-7.2^\circ C}\)). They react to form a compound with the empirical formula MX, a colorless, brittle white solid that melts at \(\mathrm {734^\circ C}\). When dissolved in water or when in the molten state, the substance conducts electricity. When chlorine gas is bubbled through an aqueous solution containing MX, a reddish-brown liquid appears and \(\mathrm {Cl^-}\) ions are formed. From these observations, identify M and X. (You may need to consult a handbook of chemistry for the melting-point values.)
Questions & Answers
QUESTION:
Element M is a shiny and highly reactive metal (melting point \(\mathrm {63^\circ C}\)), and element X is a highly reactive nonmetal (melting point \(\mathrm {-7.2^\circ C}\)). They react to form a compound with the empirical formula MX, a colorless, brittle white solid that melts at \(\mathrm {734^\circ C}\). When dissolved in water or when in the molten state, the substance conducts electricity. When chlorine gas is bubbled through an aqueous solution containing MX, a reddish-brown liquid appears and \(\mathrm {Cl^-}\) ions are formed. From these observations, identify M and X. (You may need to consult a handbook of chemistry for the melting-point values.)
ANSWER:Step 1 of 2
The reaction between metal and non-metal is as follows;
\(\mathrm{MX}+\mathrm{Cl}_{2} \rightarrow \mathrm{X}_{2}+\mathrm{MCl}\)