Sign in
12thPass logo
New chatPYQ LibraryDoubtsRank report
Sign in to see Recents

Your guest activity stays on this device

Sign in to save progress →
Sign in

P Block Elements question

2015 · Q84
Guest · filters and generic practice availableBrowsing as a guest · PYQ filters and generic practice are available. Sign in only for personalised features and saved progress.
  1. PYQ Library
  2. /NEET
  3. /Chemistry
  4. /P Block Elements
  5. /2015 · Q84

P Block Elements question

2015 · Q84

NEETChemistryP Block ElementsMCQ+4 / −1
The stability of +1 oxidation state among Al, Ga, In and Tl increases in the sequence
  1. A
    Al < Ga < In < Tl
  2. B
    Tl < In < Ga < Al
  3. C
    In < Tl < Ga < Al
  4. D
    Ga < In < Al < Tl
View written solutionFree

Correct answer: A

The given elements belong to 13th group. The elements mainly exhibit +3 and +1 oxidation states. As we know, the stability of lower oxidation state i.e., +1 state, increases on moving down the group due to inert pair effect. The, stability follows the order :

Al < Ga < In < Tl

PreviousNext

More from P Block Elements

  • The variation of the boiling points of the hydrogen halides is in the order HF > HI > HBr > HCl. What explains the higher boiling point of hydrogen fluoride?2015 · MCQ
  • Strong reducing behavior of H3PO2 is due to2015 · MCQ
  • The formation of the oxide ion, O2−(g) from oxygen atom requires first an exthermic and then an endothermic step as shown below: O(g) + e− → O−(g); ΔfHo = −141 kJ mol−1 O−(g) + e− → O2−(g); ΔfHo…2015 · MCQ
  • Which of the statements given below is incorrect?2015 · MCQ
  • Nitrogen dioxide and sulphur dioxide have some properties in common . Which property is shown by one of these compounds , but not by the other?2015 · MCQ
  • Acidity of diprotic acids in aqueous solutions increases in the order2014 · MCQ
  • Which statement is wrong?2013 · MCQ
  • Identify the incorrect statement, regarding the molecule XeO4 :2013 · MCQ