19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
HCl was passed through a solution of CaCl2, MgCl2 and NaCl. Which of the following compound(s) crystallise(s)? (NEET 2020)
The structure of beryllium chloride in solid state and vapour phase, are: (NEET 2021)
Among the following alkaline earth metal halides, one which is covalent and soluble in organic solvents is: (NEET 2021)
Identify the incorrect statement from the following (NEET 2022)
Match List-I with List-II. List-I List-II
Sodium ions found primarily in which part of human body?
Which of the following ion is most abundant within cell fluid?
The solubilities of carbonates decrease down the magnesium group due to a decrease in (RPMT 2008)
Which of the following oxides is not expected to react with sodium hydroxide? (CBSE AIPMT 2009)
In the case of alkali metals, the covalent character decreases in the order, (CBSE AIPMT 2009)
Which physical property in the alkali metal group increases with atomic number? (AMU 2009)
Which of the following will give H2 gas with dilute HNO3? (CPMT 2009)
Among the following, the least thermally stable is (J & K CET 2009)
Correct order of stability of group IIA metal carbonates is (OJEE 2009)
For alkali metals, which one of the following trends is incorrect? (KCET 2010)
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)
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 oxides is most acidic in nature? (NEET 2018)
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)
All alkaline metals have …A… valence electrons(s). Here, A refer to
Which of the following exist as decahydrate?
Above 373K, the monohydrate sodium hydrogen carbonate becomes completely anhydrous and called as
Sea water contain…by mass of the salt (NaCl)
Crude…A… Generally obtained by crystallization of brine solution. Here, A refers to
Which of the following is present as impurity in crude sodium chloride?