Subscripts in the chemical formula X₂Y₃denotes:
A. 2 atoms of X combine with 3 atoms of Y to form X₂Y₃

B.The subscript 2 denotes that valency of X is 2.

is true and B is false.

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A is false and B is true.

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Both A and B are true

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Both A and B are false

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Solution

The correct option is A
is true and B is false.

The subscript 2 denotes that valency of Y is 2. Because when we write the formula we cross multiply the valencies

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Similar questions

Subscripts in the chemical formula $A_{2} B_{3}$ denotes:

(i) 2 atoms of A combine with 3 atoms of B to form $A_{2} B_{3}$

(ii) The subscript 2 denotes that valency of A is 2.

Subscripts in the chemical formula $X_{2} Y_{3}$ denotes:

A. 2 atoms of X combine with 3 atoms of Y to form $X_{2} Y_{3}$

B. The subscript 2 denotes that valency of X is 2.

Subscripts in the chemical formula $A_{3} B_{8}$ denote 3 atoms of A are mixed with 8 atoms of B.

The total number of atoms in $2 C_{6} H_{12} O_{6}$ is:

X_{2} Y_{3}

X_{2} Y_{3}

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