Chemistry - Complete P-block Question with Solution | TestHub

ChemistryComplete P-blockp-Block 15,16Medium2 minQB

ChemistryMediuminteger

The value of n in the molecular formula $Be_{n} Al_{2} Si_{6} O_{18}$ is

Answer:

Solution:

The compound $Be_{n} Al_{2} Si_{6} O_{18}$ is beryl. For charge neutrality, the sum of oxidation states must be zero.

Be is +2, Al is +3, Si is +4, O is -2.

$n (+ 2) + 2 (+ 3) + 6 (+ 4) + 18 (- 2) = 0$

$2 n + 6 + 24 - 36 = 0$

$2 n - 6 = 0$

$2 n = 6$

$n = 3$

Stream:JEESubject:ChemistryTopic:Complete P-blockSubtopic:p-Block 15,16

⏱ 2mℹ️ Source: QB

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