If the empirical formula of potash alum is $K A l (S O_{4})_{x}, 12 H_{2} O$ , then the value of 'x' in $K A l (S O_{4})_{x}, 12 H_{2} O$ is:

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Solution

The correct option is B 2
Potash alum is $K_{2} S O_{4} . A l_{2} (S O_{4})_{3} .24 H_{2} O$
$∴$ Empirical formula is $K A l (S O_{4})_{2} .12 H_{2} O$

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Similar questions

Q. The value of

x

K A l (S O_{4})_{x} \cdot 12 H_{2} O

is:

Question 27
Which of the following equations is the summary of photosynthesis?

(a) $6 C O_{2} + 12 H_{2} O \to C_{6} H_{12} O_{6} + 6 O_{2} + 6 H_{2} O$
(b) $6 C O_{2} + H_{2} O + S u n l i g h t \to C_{6} H_{12} O_{6} + O_{2} + 6 H_{2} O$
(c) $6 C O_{2} + 12 H_{2} O + C h l o r o p h y l l + S u n l i g h t \to C_{6} H_{12} O_{6} + 6 O_{2} + 6 H_{2} O$
(d) $6 C O_{2} + 12 H_{2} O + C h l o r o p h y l l + S u n l i g h t \to C_{6} H_{12} O_{6} + 6 C O_{2} + 6 H_{2} O$

Q. What is the chemical formula of Potash alum?

Q. Fill in the blanks

6 C O_{2} + 12 H_{2} O \to

.......... + .......... + ............

A l_{4} C_{3} + 12 H_{2} O \to 3 C H_{4} +

_______

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If the empirical formula of potash alum is KAl(SO4)x,12H2O, then the value of 'x' in KAl(SO4)x,12H2O is:

The correct option is B 2Potash alum is K2SO4.Al2(SO4)3.24H2O∴ Empirical formula is KAl(SO4)2.12H2O

If the empirical formula of potash alum is $K A l (S O_{4})_{x}, 12 H_{2} O$ , then the value of 'x' in $K A l (S O_{4})_{x}, 12 H_{2} O$ is:

The correct option is B 2
Potash alum is $K_{2} S O_{4} . A l_{2} (S O_{4})_{3} .24 H_{2} O$
$∴$ Empirical formula is $K A l (S O_{4})_{2} .12 H_{2} O$