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Strongest reducing agent is
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Important Questions on Elements of Group 1 and Group 2
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The metal that forms nitride by reacting directly with of air is:
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A metal on combustion in excess air forms . upon hydrolysis with water yields and along with another product. The metal is:
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Sodium dissolves in liquid to give a deep blue solution. This is due to;
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Assertion (A): and form superoxides
Reason (R): The stability of superoxides increases form to due to decrease in lattice energy.
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On combustion of and in excess of air, the major oxides formed, respectively, are:
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A s-block element (M) reacts with oxygen to form an oxide of the formula . The oxide is pale yellow in colour and paramagnetic. The element is:
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When sodium metal is dissolved in liquid ammonia , it imparts a blue colour to the solution. This blue coloration is due to:
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Which one among the following metals is the weakest reducing agent?
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Which of the following liberates upon hydrolysis?
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The oxide of potassium that does not exist is
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Which one of the following options is correct pertaining to the below transformations?
Coloured solution
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Identify the weakest oxidizing agent among the following
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Identify the correct statements about alkali metals.
A. The order of standard reduction potential for alkali metal ions is .
B. is highly soluble in water.
C. Lithium carbonate is highly stable to heat.
D. Potassium dissolved in concentrated liquid ammonia is blue and paramagnetic.
E. All alkali metal hydrides are ionic solids.
Choose the correct answer from the options given below
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Dihydrogen is liberated when water reacts with
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The number of alkali metal(s), from having ionization enthalpy greater than and forming stable super oxide is
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The alkaline earth metal nitrate that does not crystallise with molecules is:
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The compound which does not exist is
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The order of stability for the super oxides is
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Name a nitrate that does not yield corresponding metal oxide, nitrogen dioxide on heating.
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Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of:
