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i was unable to understand this question . could you please help me out.thank you

Raasiya , 8 Years ago
Grade 12
anser 1 Answers
Bhavya

Last Activity: 8 Years ago

Dear student
Though the image which you have uploaded is not clear yet I think 4thoption is incorrect because phosphorus acid on heating disproportionates to give phosphoric acid and phosphine instead of metaphosphoric acid.

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