The s-Block Elements questions
270 published questions with worked solutions.
- How many of the following reactions (on burning in air/O_2) are correct? (i) Li Li_2O (ii) Na Na_2O (iii) K KO_2...Not in JEE Main or NEET syllabus
- How many of the following alkali metal nitrates (MNO_3) will produce nitrites (MNO_2) upon decomposition? LiNO_3, NaNO_3, KNO_3,...Not in JEE Main or NEET syllabus
- How many of the following alkaline earth metals have a higher density than calcium? Be, Mg, Sr, Ba, RaNot in JEE Main or NEET syllabus
- How many of the following alkaline earth metals form peroxides? Be, Mg, Ca, Sr, BaNot in JEE Main or NEET syllabus
- How many of the oxides of alkaline earth metals are insoluble in water? BeO, MgO, CaO, SrO_2, BaO_2Not in JEE Main or NEET syllabus
- Amongst the following hydroxides, how many of them are more soluble and more basic than Mg(OH)_2? Be(OH)_2, Ca(OH)_2, Sr(OH)_2,...Not in JEE Main or NEET syllabus
- How many of the following sulphates are more soluble than MgSO_4? BeSO_4, CaSO_4, SrSO_4, BaSO_4Not in JEE Main or NEET syllabus
- A metal sulphate is opaque to X-rays. This metal is used to obtain a shadow of organs on an X-ray film. What is the atomic number...Not in JEE Main or NEET syllabus
- The main oxide formed by lithium on burning in air is Li_xO_y. The value of y x is ______.Not in JEE Main or NEET syllabus
- The difference in atomic number between the first alkaline earth metal and the alkali metal belonging to the 3rd period is ______.Not in JEE Main or NEET syllabus
- How many of the following form hydroxides which are basic in nature? Ca, Ba, Na, Be, Li, MgNot in JEE Main or NEET syllabus
- The total number of (non-radioactive) alkali metals that, when burnt with excess of O_2, form a superoxide is ______.Not in JEE Main or NEET syllabus
- Beryllium hydroxide dissolves in excess of alkali to give the beryllate ion. How many Be atom(s) are present in one formula unit...Not in JEE Main or NEET syllabus
- 'X' is an alkaline earth metal. It imparts a brick-red colour to the Bunsen flame. Its oxide is basic in nature. The atomic...Not in JEE Main or NEET syllabus
- Element 'x' belongs to Group 2. It shows a diagonal relationship to aluminium. What is the number of protons in an atom of...Not in JEE Main or NEET syllabus
- Mg_2C_3 has the following characteristics:Not in JEE Main or NEET syllabus
- Given E^ _ Li^+/Li =-3.05 V, E^ _ Na^+/Na =-2.71 V, E^ _ K^+/K =-2.93 V. Alkali metals react with water as 2M+2 H_2O 2 MOH + H_2...Not in JEE Main or NEET syllabus
- The ionic mobility of alkali metal ions in aqueous solution is maximum forNot in JEE Main or NEET syllabus
- The correct order of the mobility of alkali metal ions in aqueous solution isNot in JEE Main or NEET syllabus
- Which one is an ore of sodium?Not in JEE Main or NEET syllabus
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