Some s Block Elements PYQs - Last 10 Years
WB JEE / Chemistry / Inorganic Chemistry / 12 recent questions
ChemistryInorganic Chemistry2014-2023
Practice 12 WB JEE Chemistry questions from Some s Block Elements. Use the year-wise and type-wise breakdown to prioritize recent PYQs, then continue into the question list below.
12
PYQs on Page
Chemistry / Inorganic Chemistry
2017-2023
Year Range
Based on indexed question metadata
9
Last 5 Years
2019-2023
12
Last 10 Years
2014-2023
Recent Year Trend
2018
2019
2020
2021
2022
2023Latest year
20183 max PYQs/year2023
Question Types
12PYQs
MCQ83.3%
MCQM16.7%
Difficulty Mix
#1 Unknown12
9 in last 5 years12 in last 10 years
Last 10 Years Some s Block Elements Questions
Showing 12 of 12 filtered questions.
1Some S Block Elements
Na\(_2\)CO\(_3\) is prepared by Solvay process but K\(_2\)CO\(_3\) cannot be prepared by the same because
MCQ+1 / -0.252023
2Some S Block Elements
The correct statement(s) about B2H6 is /are :
MCQM+2 / -02022
3Some S Block Elements
To a solution of colourless sodium salt, a solution of lead nitrate was added to have a white precipitate which dissolves in warm water and reprecipitates on cooling. Which of the following acid radical is present in the salt?
MCQ+1 / -0.252022
4Some S Block Elements
A sample of MgCO3 is dissolved in dil. HCl and the solution is neutralized with ammonia and buffered with NH4Cl / NH4OH. Disodium hydrogen phosphate reagent is added to the resulting solution. A white precipitate is formed. What is the form...
MCQ+1 / -0.252022
5Some S Block Elements
The white precipitate (Y), obtained on passing colorless and odourless gas (X) through an ammoniacal solution of NaCl, losses about 37% of its weight on heating and a white residue (Z) of basic nature is left. Identify (X), (Y) and (Z) from...
MCQ+1 / -0.252021
6Some S Block Elements
Indicate the products (X) and (Y) in the following reactionsNa2S + nS(n = 1 \(-\) 8) \(\to\) (X)Na2SO3 + S \(\to\) (Y)
MCQ+1 / -0.252021
7Some S Block Elements
In the extraction of Ca by electro reduction of molten CaCl2 some CaF2 is added to the electrolyte for the following reason :
MCQ+1 / -0.252020
8Some S Block Elements
The reactive species in chlorine bleach is
MCQ+1 / -0.332019
9Some S Block Elements
The compound, which evolves carbon dioxide on treatment with aqueous solution of sodium bicarbonate at 25\(^\circ\)C, is
MCQ+1 / -0.332019
10Some S Block Elements
Which of the following is least thermally stable?
MCQ+1 / -0.332018
11Some S Block Elements
During electrolysis of molten NaCl, some water was added. What will happen?
MCQM+2 / -02017
12Some S Block Elements
Which of the following solutions will turn violet when a drop of lime juice is added to it?
MCQ+2 / -0.52017