The phosphate of a metal has the formula M HPO_4 . The formula of its chloride would be

Correct answer: B. MCl_2 Since the phosphate of a metal is M HPO_4 , therefore, metal M must be divalent, i.e., M^ 2+ . As a result, the formula of its chloride is MCl_2 .

AIIMS 2010

Exam: AIIMS
Year: 2010
Subject: Chemistry
Chapter: p Block Elements (Group 15, 16, 17 & 18)

AIIMS 2010 · Chemistry · p Block Elements (Group 15, 16, 17 & 18)

The phosphate of a metal has the formula M HPO_4 . The formula of...

The phosphate of a metal has the formula

M \mathrm{HPO}_4

. The formula of its chloride would be

Options

A $\mathrm{MCl}$
B $\mathrm{MCl}_2$
C $\mathrm{MCl}_3$
D $M_2 \mathrm{Cl}_3$

Correct answer

B. $\mathrm{MCl}_2$

Step-by-step solution

Since the phosphate of a metal is

M \mathrm{HPO}_4

, therefore, metal

M

must be divalent, i.e.,

M^{2+}

. As a result, the formula of its chloride is

\mathrm{MCl}_2

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