PYQSide ExamsMy practice

s-Block Elements · Question 4

NEET (UG) 2022MatchingEasy📈 Topic in 25% papers+4−1
1

Match List - I with List - II Choose the correct answer from the options given below :

  1. (a)-(iv), (b)-(i), (c)-(iii), (d)-(ii)
  2. (a)-(iii), (b)-(iv), (c)-(ii), (d)-(i)
  3. (a)-(i), (b)-(iii), (c)-(iv), (d)-(ii)
  4. (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)

Answer

(4) (a)-(ii), (b)-(iii), (c)-(i), (d)-(iv)

Solution

As per NCERT (uses of alkali metals):

(a) Lithium metal is used to make electrochemical cells (a)-(ii).

(b) Liquid sodium metal is used as a coolant in fast breeder nuclear reactors (b)-(iii).

(c) Potassium hydroxide is an excellent absorbent of carbon dioxide (c)-(i).

(d) Caesium is used in devising photoelectric cells (d)-(iv).

Answer: (4)

Out of syllabusNEET (UG) 2022

Keep practising — s-Block Elements

2

CaCl2 and Ca(OCl)2 are components of

  1. Lime water
  2. Gypsum
  3. Portland cement
  4. Bleaching powder
Out of syllabusNEET (UG) 2022 (Phase 2)
3

Among the following alkaline earth metal halides, one which is covalent and soluble in organic solvents is :

  1. Beryllium chloride
  2. Calcium chloride
  3. Strontium chloride
  4. Magnesium chloride
Out of syllabusNEET (UG) 2021
4

The structures of beryllium chloride in solid state and vapour phase, are :

  1. Chain in both
  2. Chain and dimer, respectively
  3. Linear in both
  4. Dimer and Linear, respectively
Out of syllabusNEET (UG) 2021
5

The following metal ion activates many enzymes, participates in the oxidation of glucose to produce ATP and with Na+, is responsible for the transmission of nerve signals.

  1. Copper
  2. Calcium
  3. Potassium
  4. Iron
Out of syllabusNEET (UG) 2020
6

HCl was passed through a solution of CaCl2, MgCl2 and NaCl. Which of the following compound(s) crystallize(s)?

  1. Only NaCl
  2. Only MgCl2
  3. NaCl, MgCl2 and CaCl2
  4. Both MgCl2 and CaCl2
Out of syllabusNEET (UG) 2020
7

Which of the following is an amphoteric hydroxide?

  1. Mg(OH)2
  2. Be(OH)2
  3. Sr(OH)2
  4. Ca(OH)2
Out of syllabusNEET (UG) 2019
8

Enzymes that utilize ATP in phosphate transfer require an alkaline earth metal (M) as the cofactor. M is

  1. Ca
  2. Sr
  3. Be
  4. Mg
Out of syllabusNEET (UG) 2019
9

Which of the following oxides is most acidic in nature?

  1. MgO
  2. BeO
  3. BaO
  4. CaO
NEET 2018
10

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

  1. Mg2X3
  2. MgX2
  3. Mg2X
  4. Mg3X2
Out of syllabusNEET 2018
11

Ionic mobility of which of the following alkali metal ions is lowest when aqueous solution of their salts are put under an electric field?

  1. K+
  2. Rb+
  3. Li+
  4. Na+
Out of syllabusNEET 2017

All s-Block Elements PYQs →

PDFDownload s-Block Elements PYQs as PDF Free, with answer key and a QR code to every solution — print it or study offline⬇
All NEET Chemistry chapters
Physical ChemistrySome Basic Concepts of ChemistryStructure of AtomStates of MatterThermodynamicsEquilibriumRedox ReactionsSolid StateSolutionsElectrochemistryChemical KineticsSurface Chemistry
Inorganic ChemistryClassification of Elements and Periodicity in PropertiesChemical Bonding and Molecular StructureHydrogens-Block Elementsp-Block Elements (Group 13 & 14)Environmental ChemistryGeneral Principles of Isolation of Elementsp-Block Elements (Group 15–18)d- and f-Block ElementsCoordination Compounds
Organic ChemistryOrganic Chemistry – Some Basic Principles and TechniquesIsomerismHydrocarbonsHaloalkanes and HaloarenesAlcohols, Phenols and EthersAldehydes, Ketones and Carboxylic AcidsAminesBiomoleculesPolymersChemistry in Everyday LifePrinciples Related to Practical Chemistry