Assertion -In Si2O6-7 one oxygen atom is shared between two units if SiO4- Reason- Si2O6-7 ion with two SiO4 units joined by sharing as oxygen atom

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Standard XII

Chemistry

Lewis Theory

Assertion :In...

Question

Assertion :In $S i_{2} O_{7}^{6 -}$ one oxygen atom is shared between two units if $S i O_{4}$ . Reason: $S i_{2} O_{7}^{6 -}$ ion with two $(S i O_{4})$ units joined by sharing as oxygen atom

Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

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Both Assertion and Reason are correct but Reason is not the correct explanation for Assertion

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Assertion is correct but Reason is incorrect

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Both Assertion and Reason are incorrect

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Solution

The correct option is A Both Assertion and Reason are correct and Reason is the correct explanation for Assertion

From their structure, it can be seen that $S i_{2} O_{7}^{6 -}$ ion forms with two $S i O_{4}$ units joined by sharing as an oxygen atom, so in $S i_{2} O_{7}^{6 -}$ one oxygen atom is shared between two units of $S i O_{4}$ .

Hence, option $A$ is correct.

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In the following questions a statement of Assertion (A) followed by a statement of Reason (R) is given. Choose the correct answer out of the following choices.

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Assertion :In Si2O6−7 one oxygen atom is shared between two units if SiO4. Reason: Si2O6−7 ion with two (SiO4) units joined by sharing as oxygen atom

Assertion :In $S i_{2} O_{7}^{6 -}$ one oxygen atom is shared between two units if $S i O_{4}$ . Reason: $S i_{2} O_{7}^{6 -}$ ion with two $(S i O_{4})$ units joined by sharing as oxygen atom