s-Block Elements — practice questions
33 curated practice questions from s-Block Elements (Chemistry JEE Advanced, NTA Exams) — 28 hard, 5 medium. Every question includes the final answer free; step-by-step worked solutions with a free account.
- Which of the following sequence of chemical reaction is correct?
- The following compounds have been arranged in order of their increasing thermal stabilities. Identify the correct…
- Which of the following substance(s) is/are used in laboratory for drying purpose ?
- Which of the following on thermal decomposition yields a basic as well as an acidic oxide ?
- Assertion (A) : In the solution of K in liquid NH 3 , blue colour appears. Reason (R) : K reacts with NH 3 to form KNH 2
- Assertion (A) : Alkali metals dissolve in liquid ammonia to give blue solution because Reason (R) : Alkali metals is…
- MgSO 4 on reaction with NH 4 OH and Na 2 HPO 4 forms a white crystalline precipitate. What is its formula ? (2006)
- A solution of sodium sulphate in water is electrolysed using inert electrodes. The products at cathode and anode are…
- The pair(s) of reagents that yield paramagnetic species is/are
- The reagent(s) used for softening the temporary hardness of water is(are) (2010)
- The electrolyte used in Castner’s process of sodium extraction is
- One mole of magnesium nitride on the reaction with an excess of water gives
- Amongst the following hydroxides, the one which has the lowest value of K sp at ordinary temperature (about 25°C) is
- The hydration energy of Mg ++ is larger than that of
- Which of the following pairs of elements cannot form alloys?
- The following compounds have been arranged in order of their increasing thermal stabilities. Identify the correct…
- A solution of sodium metal in liquid ammonia is strongly reducing due to the presence of
- The compound (s) formed upon combustion of sodium metal in excess air is (are) (2009)
- Which of the following does not undergo disproportionation reaction?
- Assertion (A) : Na 2 O 2 is coloured and paramagnetic Reason (R) : Na 2 O 2 is not a superoxide
- Assertion (A) : Halides of Be dissolve in organic solvents Reason (R) : Atomic size of Be is smallest in the s-block…
- The species that do not contain peroxide ions are (1992)
- LIST-I contains compounds and LIST-II contains reactions (2022) LIST-I LIST-II (I) H 2 O 2 (P) Mg(HCO 3 ) 2 + Ca(OH) 2…
- Assertion (A) : Beryllium is most reducing s-block element Reason (R) : Hydration energy of Be is greater than its I.P.
- Which of the following statement (s) is/are correct? I. Sodium and potassium are found on same sides of cell. II…
- Choose the correct statements regarding the structure. I. This structure is acceptable at vapour phase. II. Above 1200…
- Both lithium and magnesium display several similar properties due to the diagonal relationship; however, the one which…
- The compound(s) formed upon combustion of sodium metal in excess air is(are).
- Property of all the alkaline earth metals that increases with their atomic number is
- The reagent(s) used for softening temporary hardness of water is(are)
- Statement-1 : The alkali metals can form ionic hydrides which contain the hydride ion H – . Statement-2 : The alkali…
- Whichh of the following liberates O 2 upon hydrolysis? (2020)
- Assertion (A) : Lithium is most reducing element. Reason (R) : IP of lithium is minimum in the elements.