The s-Block Elements questions
270 published questions with worked solutions.
- The main oxides formed on combustion of Li, Na and K in excess of air are, respectively :Not in JEE Main or NEET syllabus
- Magnesium powder burns in air to give:Not in JEE Main or NEET syllabus
- The metal that forms nitride by reacting directly with N_2 of air, is:Not in JEE Main or NEET syllabus
- The correct sequence of thermal stability of the following carbonates is:Not in JEE Main or NEET syllabus
- Match the following items in column I with the corresponding items in column II. List-I: (i) Na_2CO_3·10H_2O (ii) Mg(HCO_3)_2...Not in JEE Main or NEET syllabus
- Sodium metal on dissolution in liquid ammonia gives a deep blue solution due to the formation of:Not in JEE Main or NEET syllabus
- Among the statements (a) – (d), the correct ones are : (a) Lithium has the highest hydration enthalpy among the alkali metals....Not in JEE Main or NEET syllabus
- Match List-I with List-II. List-I (Alkali Metal): (A) Li (B) Na (C) Rb (D) Cs List-II (Emission Wavelength in nm): (I) 589.2 (II)...Not in JEE Main or NEET syllabus
- On combustion Li, Na and K in excess of air, the major oxides formed, respectively, are-Not in JEE Main or NEET syllabus
- An alkaline earth metal 'M' readily forms water soluble sulphate and water insoluble hydroxide. Its oxide MO is very stable to...Not in JEE Main or NEET syllabus
- Among the sulphates of alkaline earth metals, the solubilities of BeSO_4 and MgSO_4 in water, respectively, are -Not in JEE Main or NEET syllabus
- Match List - I with List - II List-I: (a) Li (b) Na (c) KOH (d) Cs List-II: (i) absorbent for carbon dioxide (ii) electrochemical...Not in JEE Main or NEET syllabus
- Given below are two statements : one is labelled as Assertion A and the other is labelled as Reason R : Assertion A : Metallic...Not in JEE Main or NEET syllabus
- Given below are two statements : Statement I : Both CaCl_2.6H_2O and MgCl_2.8H_2O undergo dehydration on heating. Statement II :...Not in JEE Main or NEET syllabus
- Match List-I with List-II : List-I: (A) Be (B) Mg (C) Ca (D) Ra List-II: (i) Treatment of cancer (ii) Extraction of metals (iii)...Not in JEE Main or NEET syllabus
- A s-block element (M) reacts with oxygen to form an oxide of the formula MO_2. The oxide is pale yellow in colour and...Not in JEE Main or NEET syllabus
- Match List-I with List-II List-I (Elements): (a) Ba (b) Ca (c) Li (d) Na List-II (Properties): (i) Organic solvent soluble...Not in JEE Main or NEET syllabus
- Match List-I with List-II : List-I (Salt): (a) LiCl (b) NaCl (c) RbCl (d) CsCl List-II (Flame colour wavelength): (i) 455.5 nm...Not in JEE Main or NEET syllabus
- Number of amphoteric compound among the following is __________ (A) BeO (B) BaO (C) Be(OH)2 (D) Sr(OH)2Not in JEE Main or NEET syllabus
- Match List- I with List II. List - I: (a) Li (b) Na (c) K (d) Cs List - II: (i) photoelectric cell (ii) absorbent of CO_2 (iii)...Not in JEE Main or NEET syllabus
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