JEE Main & Advanced Chemistry The p-block Elements-II / p-ब्लॉक तत्व-II Question Bank

done Numerical Value Type Questions - The p-Block Elements (Group 15, 16, 17 & 18) Total Questions - 15

• question_answer1)
  Find the number of sigma bonds in \[{{P}_{4}}{{O}_{10}}\].
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• question_answer2)
  How many bonding electron pairs are there in white phosphorus?
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• question_answer3)
  Find the number of P-O-P bonds in cyclic meta phosphoric acid.
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• question_answer4)
  Calculate the total number of bond pairs and lone pairs of electrons present in \[O{{F}_{2}}\] molecule.
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• question_answer5)
  How many forms of \[S{{O}_{3}}\] exists
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• question_answer6)
  What is the number of S-S bonds in sulphur trioxide trimer \[({{S}_{3}}{{O}_{9}})\]?
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• question_answer7)
  What is the number of P-O-P bonds in cyclic meta phosphoric acid?
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• question_answer8)
  Find the number of P-O-P bonds in \[{{P}_{4}}{{O}_{10}}\]
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• question_answer9)
  25 mL of household bleach solution was mixed with 30 mL of 0.50 M KI and 10 mL of 4N acetic acid. In the titration of the liberated iodine, 48 mL of 0.25 N \[N{{a}_{\,2}}\,{{S}_{2}}{{O}_{3}}\]was used to reach the end point. Calculate the molarity of the household bleach solution.
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• question_answer10)
  What is the value of n in the molecular formula \[B{{e}_{n}}A{{l}_{2}}S{{i}_{6}}{{O}_{18}}\]?
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• question_answer11)
  Reaction of \[B{{r}_{2}}\] with \[N{{a}_{2}}C{{O}_{3}}\] in aqueous solution gives sodium bromide and sodium bromate with evolution of \[C{{O}_{2}}\] gas. Find the number of sodium bromide molecules involved in the balanced chemical equation.
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• question_answer12)
  Among the following, find the number of compounds that can react with \[PC{{l}_{5}}\] to give \[POC{{l}_{3}}\] \[{{O}_{2}},\,C{{O}_{2}},\,S{{O}_{2}},{{H}_{2}}O,\,{{H}_{2}}S{{O}_{4}},\,{{P}_{4}}{{O}_{10}}\]
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• question_answer13)
  What is the sum of number of sigma \[(\sigma )\] and pi \[(\pi )\] bonds present in sulphuric acid molecule?
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• question_answer14)
  \[{{H}_{3}}P{{O}_{2}}\] is the molecular formula of an acid of phosphorus. What is its basicity?
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• question_answer15)
  How many hygroscopic compounds are formed when \[C{{l}_{2}}\] reacts with hot aqueous NaOH.
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