How many toluidines on reaction with `NaNO_(2)//HCl` followed by `H_(3)PO_(2)` treatment gives Toluene.

How many toluidines on reaction with `NaNO_(2)//HCl` followed by `H_(3)PO_(2)` treatment gives Toluene.
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How many toluidines on reaction with `NaNO_(2)//HCl` followed by `H_(3)PO_(2)` treatment gives Toluene.
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`N_(2)O_(4), (HPO_(2))_(2), H_(2)CO_(3), SO_(2), SO_(3), P_(4)O_(10) H_(2)SO_(4), N_(2)O_(3), HNO_(3), H_(3)PO_(3)`. (a) Among the above compounds, co

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The true statement for the acids of phosphorus. `H_(3)PO_(2) ,H_(3)PO_(3)` and `H_(3)PO_(4)` is:

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Which of the following salt/s of `H_(3)PO_(3)` exists ? (I)) `NaH_(2)PO_(3)` (II) `Na_(2)HPO_(3)` (III) `Na_(3)PO_(3)`

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Good reducing nature of `H_(3)PO_(2)` is attributed to the presence of :

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For `H_(3)PO_(3)` and `H_(3)PO_(4)` the correct choice is

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Number of acids having central atom in `+3` oxidation state among the following is (a) `HNO_(2)` (b) `HNO_(3)` (c) `H_(3)PO_(2)` (d) `H_(3)PO_(3)` (e)

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The true statement for the acids of phosphorus. `H_(3)PO_(2) ,H_(3)PO_(3)` and `H_(3)PO_(4)` is:

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A bottle of `H_(3)PO_(4)` solution contains 70% acid. If the density of the solution is `1.54 g cm^(-3)` , the volume of the `H_(3)PO_(4)` solution re

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What volume of 0.05 M `Ca(OH)_(2)` solution is needed for complete conversion of 10mL of 0.1 M `H_(3)PO_(4)` into `Ca(H_(2)PO_(4))_(2)` ?

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What is the basicity of `H_(3)PO_(3)` ?

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What mass of NaCl would be decomposed by 98 g of `H_(2)SO_(4)` if 120 g of `NaHSO_(4)` and 27 .5 g of HCl are produced in a reaction. Assuming that la

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(B) on treatment with `Zn//HCl` gives :

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When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

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When an primary aromatic amine is treated with `NaNO_(2)+HCI` at `0^(@)-5^(@)C`, a diazonium salt is formed and the reaction is called diazo reaction.

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Resorcinol on distillation with zinc dust gives (a) Benzene (b) Cyclohexane (c) Toluene (d) m-Xylene

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Which of the following statements is false about toluene? (a) can be prepared by treating benzene with methyl chloride in the presence of AlCl3. (b) is converted to benzoic acid on refluxing with acidic KMnO4 solution. (c) on refluxing with concentrated H2SO4 gives a mixture of ortho and para toluenesulfonic acid. (d) can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene.

Description : Which of the following statements is false about toluene? (a) can be prepared by treating benzene with methyl chloride in the presence of AlCl3. (b) is converted to benzoic acid on refluxing with ... (d) can be nitrated with concentrated nitric acid to give a mixture of ortho and meta nitrotoluene.

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When propyne is passed through hot iron tube at 400°C, it gives (a) Benzene(b) Toluene(c) m-Xylene(d) Mesitylene

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