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Element P,Q, R and S belong to the same...

Element P,Q, R and S belong to the same group. The oxide of P is acidic, oxide of Q and R are amphoteric while the oxide of S is basic. Which of the following elements is the most electropositive ?

A

P

B

Q

C

R

D

S

Text Solution

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The correct Answer is:
D
[Metals oxide are basic as well as they are electropositively in nature]
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BANSAL-PERIODIC TABLE-EXERCISE-1
  1. Consider the following statements: I. The radius of an anion is larg...

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  2. The atomic numbers of vandium (V). Chromium (Cr), manganese (Mn) and i...

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  3. Element P,Q, R and S belong to the same group. The oxide of P is acid...

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  4. Among AI(2)O(3),SiO(2),P(2)O(3) and SO(2) the correct order of acidic ...

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  5. The formation of the oxide ion O((g))^(2-) requires first an exothermi...

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  6. The first ionization potentials of four consecutive elements present i...

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  7. In which of the following arrangements the order is NOT according to t...

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  8. Which of the following order is wrong-

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  9. Which of the following factors may be regarded as the main cause the l...

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  10. The size of the species, Pb,Pb^(2+), Pb^(4+) decreases as -

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  11. A Ketelaar triangle showing a plot of average electrongativity (chi(me...

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  12. Match list-I with list-II and select the correct answer using the code...

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  13. The actinoids exhibit more number of oxidation states in general than ...

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  14. For the process X(g) +e^(-) rarr X^(-)(g), DeltaH = x and X^(-)(g)...

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  15. Sodium forms Na^(+) ion but it does not form Na^(+2) because -

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  16. Lanthanoids are-

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  17. Bond distance C-F in (CF(4)) & Si-F in (SiF(4)) are respective 1.33 Å...

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  18. The lowest electronegativity of the element from the following atomic ...

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  19. The correct order regarding the electronegativity of hybrid orbitals o...

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  20. If there were 10 periods in the periodic table then how many elements ...

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