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Q.

I1, I2, I3 of an element are 176, 346 and 1850K. calls respectively. The molecular formula of its phosphate is

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a

MPO4

b

M2(PO4)3

c

M3PO4

d

M3(PO4)2

answer is D.

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Detailed Solution

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From the given Ionization values, we can observe sudden jump from I2 to I3

So, The valence of element(M)=2

M+2 PO4-3

Hence the formula is M3(PO4)2

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I1, I2, I3 of an element are 176, 346 and 1850K. calls respectively. The molecular formula of its phosphate is