CBSE Class 11 Chemistry The S Block Elements Worksheet Set D

CBSE Class 11 Chemistry Worksheet - The s-Block Elements (3) CBSE,CCE and NCERT students can refer to the attached file. All educational material on the website has been prepared by the best teachers having more than 20 years of teaching experience in various schools. The study material available on our website for all CBSE classes and subjects have been prepared by teachers from all over the country. All study material has been carefully designed keeping into mind the latest CBSE examination trends.  

J.E.E./A.I.P.M.T.Foundation - XI Chemistry Worksheet

Time: 30 min Ch#10: The s-Block Elements-03

Full Marks: 20

Instructions:

1. All questions are compulsory.

2. Please give the explanation for the answer where applicable.

Q1 - Lithium has highest ionization energy as compared to other element same group. Why? (1 Mark)

Q2 - Name the strongest reducing agent alkali metal? (1 Mark)

Q3 - Write the chemical formula of gypsum? (1 Mark)

Q4 - Why alkali metals are difficult to reduce? (2 Marks)

Q5 - Why the alkali metals cannot be isolated by electrolysis of the aqueous solution of their salts? (2 Marks)

Q6 - Sodium bicarbonate is prepared by Solvay-Ammonia process but Potassium bicarbonate can not. why? (2 Marks)

Q7 - What happens when

i) Sodium hydrogen carbonate is heated.

ii) Carbon dioxide is passed through ammonical brine solution.

iii) Chlorine reacts with slaked lime. (3 Marks)

Q8 - Compare alkali metals and alkaline earth metals on the basis of :-

i) Ionization enthalpy.

ii) Basicity of oxides.

iii) Solubility of hydroxides. (3 Marks)

Q9 - How the chemistry of alkali metals differs from alkaline earth metals? Explain. (5 Marks)

Please refer to the link below for CBSE Class 11 Chemistry Worksheet - The s-Block Elements (3)