19,000+ solved questions for JEE Advanced, JEE Mains, NEET & IChO — with answers and expert explanations.
Alkali metals can be detected by their respective …A… Here, A refer to
Choose the correct option from the codes given below regarding elements and their characteristics colour given in Column I and II of the following table. Column I Column II A. Li 1. Crimson red B. Na 2. Yellow C. K 3.…
The alkali metals and their salts show characteristics colour to
The low melting point of alkali is due to
Along the group in alkali metals the density
Which of the following choice(s) represents(s) physical properties of alkali metals?
Which of the following metal salt is mostly hydrated?
…A… has maximum degree of hydration. Here, A refers to
The correct decreasing order of ionization enthalpy in alkali metals is
Group I elements are collectively known as
s-subshell can accommodate maximum number of
Which of the following is known molecular formula of washing soda?
Potassium is not prepared by Solvay process because …X… is too soluble to be precipitated by addition of ammonium hydrogen carbonate. Here, X refer to
What will be the product when ammonium chloride is treated with calcium hydroxide?
Solvay process is used in the preparation of
Lithium being very small in size, which …A… a large CO ion leading to the formation of more stable …B.. and …C.. Here A, B and C refer to
The carbonates and hydrogen carbonates of alkali metals are highly stable, their stability
Which of the following is correct regarding salt of oxo- acids of alkali metals?
Low solubility of CsI is due to
Anomalous behavior of lithium is due to I. exceptionally small size of its atom II. High polarizing power. III. High Charge Radius ratio. Choose the correct option
Which of the following is an amphoteric hydroxide? (NEET 2019)
Match List-I with List-II. List-I List-II
Identify the incorrect statement from the following (NEET 2022)
Crude sodium chloride obtained by crystallisation of brine solution does not contain (Odisha NEET 2019)
Which of the alkali metal chloride (MCl) forms its dihyrate salt (MCl.2H2O) easily? (Odisha NEET 2019)