19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Solubility of sodium chloride in 100 g of water at 273 K is
Which of the following is present as impurity in crude sodium chloride?
Low solubility of LiF in water is due to …A… Here, A refer to
The correct trend of melting point and boiling point of alkali metal halides
Choose the correct statement/statement out of the following (a) f H always became less negative on moving top to bottom for alkali halides (b) f H always becomes less negative from fluoride to iodide for alkali me…
Sodium …X… is widely used as a/an …Y…. Here, X and Y refer to
Among the following, the least thermally stable is (J & K CET 2009)
Which one of the alkali metals forms only, the normal oxide, M2O on heating in air? (AIPMT 2012)
Solubility of the alkaline earth metal sulphates in water decreases in the sequence (AIPMT 2015)
In context with beryllium, which one of the following statements is incorrect? (NEET 2016)
The suspension of slaked lime in water is (NEET 2016)
Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts is put under an electric field? (NEET 2017)
Which of the alkali metal chloride (MCl) forms its dihyrate salt (MCl.2H2O) easily? (Odisha NEET 2019)
Magnesium reacts with an element (X) to form an ionic compound. If the ground state electronic configuration of (X) is 1s2 2s2 2p3, the simplest formula for this compound is (NEET 2018)
Which of the following oxides is most acidic in nature? (NEET 2018)
Among CaH2, BeH2, BaH2, the order of ionic character is (NEET 2018) (a) CaH BeH BaH (b) BeH BaH CaH (c) BeH CaH BaH (d) BaH BeH CaH
Which of the following statement (s) is/are correct regarding alkali metal halides? I. They possess high melting point and are crystalline in nature. II. They are prepared by reaction of appropriate oxides with aque…
The alkali metal oxides dissolve in water to produce
Group II elements with exceptions of beryllium are known as alkaline earth metals. These are so called because their …A…and …B… are alkaline in nature. Here, A and B refer to
Among the alkali metals …A and …B… are relatively more abundant in nature. Here A and B refer to
Which of the following does not belong to alkaline earth metal?
…X and …Y…Shown diagonal similarity. Here, X and Y refer to
Which of the following shows diagonal relationship?
The first ionization enthalpy of the alkaline earth metals are …X…. that of corresponding group I metal. Here, X refers to
Which of the following is correctly order regarding hydration enthalpies of alkaline earth metals?