NEET 2015 Chemistry question
Not in JEE Main or NEET syllabus
"Metals are usually not found as nitrates in their ores". Out of the following two (a and b) reasons which is/are true for the above observation ? (a) Metal nitrates are highly unstable. (b) Metal nitrates are highly soluble in water.
Answer: (2)
Solution
Statement (a) is false: many metal nitrates, such as NaNO and KNO, are quite stable at ordinary temperatures. Statement (b) is true: all common metal nitrates are highly soluble in water, so any nitrate
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