Cumene on treatment with `KMnO_(4)` gives -

Benzamide on treatment with POCl_3 gives :

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

Lemieux reagent consist of an aqueous solution of sodium periodate (NaIO_(4)) and a trace of KMnO_(4) It is used for locating the position of double bond in an alkene. During the reaction, the alkene is first oxidised to cis-diol which upon cleavage with sodium peroxide gives aldehydes and ketones (similar to ozonolysis). Hot solution of acidic or alkaline KMnO_(4) can also be used for locating double bond by observing the products which are ketones or carboxylic acids. Position of triple bond can be identified by similar process. An aromatic hydrocarbon (Y) on treatment with KMnO_(4) with H^(+)//Delta square gives benzoic acid as one of the products. The hydrocarbon (Y) is :

Oxalic acid on treatment with conc. H_(2) SO_(4) gives

White crystal (A) on treatment with AgNO_(3) gives white crystalline precipitate. (A) discharges the colour of KMnO_(4) solution but no gas is evolved. Probable radical present in (A) is:

Which of the following compound on treatment with LiAlH_(4) will give a product that will give positive lodoform test?

Bromoethane on treatment with alcoholic KOH gives

An alkene on vigorous oxidation with KMnO_(4) gives only propanoic acid. The alkene is :

Give reasons for the following: (i) tert-buty lbenzene does not give benzonic acid on treatment with acidic KMnO_(4) . (ii)Normally, benzene gives electrophilic substitution reaction rather than electrophilic addition reaction although it has double bond.