A, B and C are hydroxy-compounds of the elements X, Y and Z respectively. X, Y and Z are…
Chemistry · JEE Advanced · NTA Exams — Classification of Elements and Periodicity in Properties
A, B and C are hydroxy-compounds of the elements X, Y and Z respectively. X, Y and Z are in the same period of the periodic table. A gives an aqueous solution of pH less than seven. B reacts with both strong acids and strong alkalis. C gives an aqueous solution which is strongly alkaline.
Which of the following statements is/are true ?
I : The three elements are metals.
II : The electronegativities decrease from X to Y to Z.
III : The atomic radius decreases in the order X, Y and Z.
IV : X, Y and Z could be phosphorus, aluminium and sodium respectively.
Which of the following statements is/are true ?
I : The three elements are metals.
II : The electronegativities decrease from X to Y to Z.
III : The atomic radius decreases in the order X, Y and Z.
IV : X, Y and Z could be phosphorus, aluminium and sodium respectively.
- I, II, III only correct
- I, III only correct
- II, IV only correct
- II, III, IV only correct
Answer
(C) II, IV only correct
Sign up free on Edukali to view the step-by-step worked solution and practice thousands of similar questions.
Related practice questions
- Atomic radii of fluorine and neon in angstrom units are respectively given by (1987)
- The lower electron affinity of fluorine than that of chlorine is due to
- Statement-1 : Al(OH) 3 is amphoteric in nature. Statement-2 : Al—O and O—H bonds can be broken with equal…
- The ionization energy of boron is less than that of beryllium because :
- From the ground state electronic configuration of the elements given below, pick up the one with highest…
- Assertion : Third ionisation energy of phosphorous is larger than sulphur. Reason : There is a larger amount…
- Atomic radii of fluorine and neon in Angstrom units are respectively given by
- The elements in which electrons are progressively filled in 4 f -orbital are called
More Classification of Elements and Periodicity in Properties questions · Browse all practice questions