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ChemistryEasyAssertion Reasoning2023 ยท 25 Jan Shift 2

Q38.Which one among the following metals is the weakest reducing agent? (1) K (2) Rb (3) Na (4) Li

What This Question Tests

This question evaluates the understanding of why alkali metals impart characteristic colors to a flame and how this property is used for their detection.

Concepts Tested

Flame tests for alkali metalsExcitation and de-excitation of electrons

๐Ÿ“š NCERT Sections This Tests

2.1 โ€” Arrange The Following Metals In The Order In Which They Displace Each Other

Chemistry Class 11 ยท Chapter 2

79% match

2.1 Arrange the following metals in the order in which they displace each other from the solution of their salts. Al, Cu, Fe, Mg and Zn.

4.13 โ€” How Is The Variability In Oxidation States Of Transition Metals Different From

Chemistry Class 11 ยท Chapter 4

77% match

4.13 How is the variability in oxidation states of transition metals different from that of the non transition metals? Illustrate with examples.

2.2 โ€” Given The Standard Electrode Potentials,

Chemistry Class 11 ยท Chapter 2

77% match

2.2 Given the standard electrode potentials, K+/K = โ€“2.93V, Ag+/Ag = 0.80V, Hg2+/Hg = 0.79V Mg2+/Mg = โ€“2.37 V, Cr3+/Cr = โ€“ 0.74V Arrange these metals in their increasing order of reducing power.