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Standard XII

Chemistry

Compounds of Pnictogens-Trends

A, B and C ar...

Question

A, B and C are the elements of the same period in the long form of the periodic table. Oxide of A amphoteric, B is acidic and C is basic. The increasing order of atomic numbers of the elements is

C < A < B

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C < B < A

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A < C < B

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B < A < C

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Solution

The correct option is A
C < A < B

Basic nature of the oxide decreases and acidic nature increases ,from left to right in a period

Eg : $M g o, A l_{2} O_{3} a n d S i O_{2}$

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A, B and C are the elements of the same period in the long form of the periodic table. Oxide of A amphoteric, B is acidic and C is basic. The increasing order of atomic numbers of the elements is

The correct option is A C < A < B Basic nature of the oxide decreases and acidic nature increases ,from left to right in a period Eg : Mgo,Al2O3 and SiO2

The correct option is A
C < A < B

Basic nature of the oxide decreases and acidic nature increases ,from left to right in a period

Eg : $M g o, A l_{2} O_{3} a n d S i O_{2}$