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Oxidation of Alcohols

Benzoic acid ...

Question

Benzoic acid dissolved in benzene shows a molecular mass of _______g $m o l^{- 1}$ .

122

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244

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366

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488

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Solution

The correct option is B 244
1.244 units

2. In benzene, benzoic acid exist as dimer. So the molecular weight of benzoic acid gets doubled.

$(C_{6} H_{5} C O O H)_{2} = 2 \times 122 = 244$ units .

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Similar questions

Benzoic acid dissolved in benzene will show a molecular weight of

m o l^{-}, k_{f}

m o l^{- 1}

= 122

^{- 1}

5

100

5.73

10^{o} C

(C_{6} H_{5} C O O H)

w

30

2

80

w

K_{f} = 5

m o l^{- 1}

= 122

m o l^{- 1}

When benzoic acid dissolve in benzene, the observed molecular mass is:

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