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Which of the following statements is inc...

Which of the following statements is incorrect ?

A

Oxide of aluminium `(Al_(2) O_(3))` , and arsenic `(As_(2) O_(3))` are amphoteric.

B

Oxide of chlorine `(Cl_(2) O_(7))` is less acidic than oxide of nitrogen `(N_(2)O_(5))` .

C

Oxide of carbon `(CO_(2))` is more acidic than oxide of silica `(SiO_(2))` .

D

The correct increasing order of basic character of various oxides is `H_(2)O lt CuO lt MgO lt CaO`

Text Solution

Verified by Experts

The correct Answer is:
B
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NARAYNA-PERIODIC TABLE -All Questions
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  2. The electronegativity of carbon from the following data is nearly E(...

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  3. Which of the following statements is incorrect ?

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  4. S-1 : Formation of Mg^(2+) and Al^(3+) , both require the absorption o...

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  5. N(0)//2 atoms of X(g) are converted into X^(+) (g) by energy E(1) . N(...

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  6. Which of the following triads have approximately equal size ?

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  7. Ionic radii of :

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  8. When the following five anions are arranged in order of decreasing ion...

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  9. (a),(b) and (c) are elements in the second short period. Oxide of (a) ...

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  10. Sizes of the second and third row transition elements are almost the s...

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  11. EN of the element (A) is E(1) and EA is E(2) hence IP will be :

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  12. For the element X, student Surbhi measured its radius as 102 nm, Mr. G...

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  13. The effective nuclear charge on the added electron in F-atom , in the ...

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  14. Covalent radius of F is 0.72 A^(@) . Calculate its Allred-Rochow's ele...

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  15. Covalent radius of oxygen is 0.74 A^(@) and its A .R. electronegativi...

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  16. There are four elements 'P' , 'q' , 'r' and 's' having atomic numbers ...

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  17. Which of the following statements are correct? (i) Generally the ra...

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  18. The correct order of atomic radii of the following element Sm(z=62), E...

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  19. Consider the following ionization steps : M(g) rarr M^(+)(g) +e^(-),...

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  20. Which of the following show amphoteric behaviour?

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