The reaction \(2H_2 S + SO_2 \to 3S + 2H_2 O\) is
A solution X, on mixing with AgNO\(_3\) solution gives a white precipitate soluble in aqueous NH\(_3\), a solution Y, when also added to X, also gives a white precipitate which is soluble when heated solutions X and Y respectively contain
How many electrons will be found in the nucleus of an atom with mass number 23 and 17 neutrons?
An element Z contains 80% of \(^{16} _8\)Z and 20% of \(^{18} _8\)Z. Its relative atomic mass is
When the end alkyl groups of ethyl ethanoate are interchanged, the compound formed is