19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Hydration energy of alkaline earth metal has …A… value to that of alkali metal. Here, A refer to
Alkali metals are generally silvery white but beryllium and magnesium appears to be
Assertion (A): The compounds of alkaline earth metals are more extensively hydrated than those of alkali metal. Reason (R): This is due to low hydration energy of alkaline earth metal as compared to alkali metal.
Which of the following is correctly represented according to their existence? I. MgCl2 .6H2O II. NaCl. 6H2O III. KCl. 6H2O IV. CaCl2. 6H2O
Which physical property in the alkali metal group increases with atomic number? (AMU 2009)
Nature of bonding present in compounds of alkaline earth metals are
Correct order of stability of group IIA metal carbonates is (OJEE 2009)
Beryllium and magnesium do not impart any colour to the flame test. The reason is that
In context with beryllium, which one of the following statements is incorrect? (NEET 2016)
Among the following, the least thermally stable is (J & K CET 2009)
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)
Beryllium and Magnesium are kinetically inert to oxygen and water because of formation of …X.. on their surface. Here, X refer to
For alkali metals, which one of the following trends is incorrect? (KCET 2010)
Gypsum on heating to 390 K gives. (RPMT 2010)
Which of the following statement is incorrect regarding use of caustic soda?
Which of the following is used in the preparation of cakes or pastries?
The formula of soda ash is
A 70 Kg man contain about …X… of Na and …Y… of K. here, X and Y refer to
Magnesium burns in air to produce MgO and …X… with …Y… flame. Here, X and Y refer to
Which one of the following properties of alkali metals increases in magnitude as the atomic number reises? (AIPMT 1989)
Which compound will show the highest lattice energy? (AIPMT 1993)
Main process for the manufacture of sodium carbonate is (MP PMT 2006)
When sodium nitrate is heated above 800° C then (JCECE 2006)
Lower melting point chloride is (JCECE 2006)
Consider the following abbreviations for hydrated What is the correct order of size of these hydrated alkali ions? n n n x Li H O , y Na H O ,z K H O (J & K CET 2006)