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Which of the following statement is inco...

Which of the following statement 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`.

A

`C_(6)H_(5)N_(2)Cl` is soluble in water

B

`C_(6)H_(5)N_(2)BF_(4)` is water insoluble

C

`C_(6)H_(5)N_(2)Cl` is stable at room temperature

D

`C_(6)H_(5)N_(2)Cl` is stable at `0^(@)C`

Text Solution

Verified by Experts

The correct Answer is:
C
At room temperature and it decomposes
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