Question

115
Q.1 (a)Choose the correct answer from the options given below:
COin the electrochemical series, the reducing character of Elements from top to bottom
(1) Increases
(2)decreases (3) Remains same (4)None of these
(ii)NH, gas can be produced by the action of water on -
(1)NH.NO.
(2)NHACI (3)(NH4)2SO4
(4) Mg3N2
(1) A substance which gets decomposed on the passage of Electricity is -
(1) Urea
(2) Nach
(3) Sugar
(4) Ethyl alcohol
(iv) The brown ring test is used for detection of -
(1)CO
(2)SO3
(3)NO 3
(4)CH
(v)Which of the elements Li, Mg, Na or Al has the lowest ionization potential?
(1)
Li
(2)Mg
(3) Na
(4)Al
I with the correct ontion given in bracket: -​

Answer 1

2H± (at) +2e- H2(g) 0

Explanation:

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correct answer