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Metals and Non - Metals / Chemical Bonding

Comprehensive chemistry quiz covering periodic properties of metals (alkaline earth metals, transition elements, Group 13 boron family), non-metal compounds (Group 17 halogens, sulfur oxoacids), chemical bonding concepts including bond order, ionization potentials, and transition metal ion configurations.

14 Questions Published
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Questions

Question 1 Multiple Choice (Single Answer)

Which of the following alkaline earth metals has the lowest relative abundance in the earth’s crust?

  1. Be
  2. Mg
  3. Ca
  4. Sr
  5. Ba
Question 2 Multiple Choice (Single Answer)

Which of the following alkaline earth metals gives scarlet colour on flame test?

  1. Be
  2. Mg
  3. Ca
  4. Sr
  5. Ba
Question 3 Multiple Choice (Single Answer)

Electronic configurations of some elements are given below. Which element has the lowest first IE?

  1. [He] 2s2
  2. [Ne] 3s2
  3. [Ar] 4s2
  4. [Xe] 6s2
  5. [Rn] 7s2
Question 4 Multiple Choice (Single Answer)

Which transition metal ion has the maximum number of unpaired electrons?

  1. Ti3+
  2. V3+
  3. Cr3+
  4. Cr2+
  5. Mn2+
Question 5 Multiple Choice (Single Answer)

Which of the following is an incorrect statement regarding alkaline earth metals?

  1. Be is amphoteric.
  2. All alkaline earth metals react with cold water and evolve hydrogen.
  3. Mg and Be form organometallic compounds.
  4. Carbonates and oxalates of alkaline earth metals are insoluble in water.
  5. The standard potential of Be is more than Ca.
Question 6 Multiple Choice (Single Answer)

Which of the following pairs possesses salt-like carbides only?

  1. Be2C, Al4C3
  2. V2C, Fe3C
  3. SiC, B4C
  4. V4C3, Fe3C
  5. V4C3, Al4C3
Question 7 Multiple Choice (Single Answer)

Which of the following statements about halogens is not correct?

  1. Chlorine has greater X-X bond dissociation energy than bromine.
  2. In NaClO4 molecule, chlorine shows +7 oxidation state.
  3. ClO2 molecule is diamagnetic.
  4. Chile saltpetre is a mineral of iodine.
  5. Halogens are strong oxidising agents.
Question 8 Multiple Choice (Single Answer)

Faraday’s law of electrolysis is related to the ______.

  1. atomic number of anion of the electrolyte
  2. atomic number of cation of the electrolyte
  3. speed of the anion of the electrolyte
  4. speed of the cation of the electrolyte
  5. equivalent weight of the electrolyte
Question 9 Multiple Choice (Single Answer)

Which of the following oxoacids of sulphur possess +6 oxidation state with dibasic nature?

  1. Sulphurous acid
  2. Oil of vitriol
  3. Caro’s acid
  4. Marshall’s acid
  5. None of these
Question 10 Multiple Choice (Single Answer)

Which of the following statements is incorrect?

  1. The first ionization potential of Al is less than the first ionization potential of Mg.
  2. The second ionization potential of Mg is greater than the second ionization potential of K.
  3. Na has higher value of first ionization potential than Mg.
  4. Mg2+ has zero unpaired electron.
  5. Magnesium hydroxide is used as antacid.
Question 11 Multiple Choice (Single Answer)

Select the correct opinion for nido-boranes using the boranes given below:
(i) B5H9

(ii) B4H10

(iii) B5H11

(iv) B6H12

(v) B6H10

(vi) B8H12

  1. i, ii and iv
  2. ii, iii and vi
  3. i, ii and v
  4. ii, iii and iv
  5. i, v and vi
Question 12 Multiple Choice (Single Answer)

Which of the following electrolytes is the most effective coagulating agent for Sb2S3?

  1. Al2(SO4)3
  2. Si(NO3)4
  3. BaCl2
  4. CaSO4
  5. MgCl2
Question 13 Multiple Choice (Single Answer)

Select the correct answer for identical bond order using the codes given below:
(i) CN- (ii) O2-
(iii) NO+ (iv) CN+
(v) O22+

  1. i and ii
  2. i and v
  3. i, iii and iv
  4. i, ii and v
  5. i, iii and v
Question 14 Multiple Choice (Single Answer)

Which of the following ligands is present in the uranocene?

  1. C5H52-
  2. C8H82-
  3. C4H42-
  4. C6H6
  5. C2H22-
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