Doubts
Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents
Sign in to save progress →
Doubts
Sign in

P Block Elements question

2023 · 12 Apr · Shift 1 · Q1
Guest · try one question or challengeGuest · try one question or challenge
  1. PYQ Library
  2. /JEE Main
  3. /Chemistry
  4. /P Block Elements
  5. /2023 · 12 Apr · Shift 1 · Q1

P Block Elements question

2023 · 12 Apr · Shift 1 · Q1

JEE MainChemistryP Block ElementsMCQ+4 / −1
Given below are two statements : Statement I : Boron is extremely hard indicating its high lattice energy. Statement II : Boron has highest melting and boiling point compared to its other group members. In the light of the above statements, choose the most appropriate answer from the options given below :
  1. A
    Both Statement I and Statement II are incorrect
  2. B
    Statement I is incorrect but Statement II is correct
  3. C
    Statement I is correct but Statement II is incorrect
  4. D
    Both statement I and Statement II are correct
PreviousNext

More from P Block Elements

  • Given below are two statements : Statement I : SbCl5​ is more covalent than SbCl3​ Statement II: The higher oxides of halogens also tend to be more stable than the lower ones. In the light of the above statements,…2023 · MCQ
  • The covalency and oxidation state respectively of boron in [BF4​]−, are :2023 · MCQ
  • During water-gas shift reaction2023 · MCQ
  • K2​Cr2​O7​ paper acidified with dilute H2​SO4​ turns green when exposed to :2023 · MCQ
  • Sum of π-bonds present in peroxodisulphuric acid and pyrosulphuric acid is ​2023 · Numerical
  • Potassium dichromate acts as a strong oxidizing agent in acidic solution. During this process, the oxidation state changes from :2023 · MCQ
  • A. Ammonium salts produce haze in atmosphere. B. Ozone gets produced when atmospheric oxygen reacts with chlorine radicals. C. Polychlorinated biphenyls act as cleansing solvents. D. 'Blue baby' syndrome occurs due to the presence of…2023 · MCQ
  • Given below are two statements : Statement I: Upon heating a borax bead dipped in cupric sulphate in a luminous flame, the colour of the bead becomes green Statement II: The green colour observed is due to the formation of copper(I)…2023 · MCQ