oxalic शब्द के हिंदी अर्थ का उदाहरण:

उदाहरण के लिए, डाइप्रोटिक एसिड ऑक्सालिक एसिड के लिए, ऑक्सालेट आयन के लिए A2− लिखा जाता है,।

জজজ

oxalic's Usage Examples:

A solution of the free acid may be prepared by adding oxalic acid to the solution of the sodium salt.

Carbolic acid is distinguished from all other acids so-called - except oxalic acid and hydrocyanic acid - in that it is a neurotic poison, having a marked action directly upon the nervous system.

When distilled over lead oxide, it forms diphenylene oxide, (C 6 H 4) 2 O: and when heated with oxalic acid and concentrated sulphuric acid, it forms aurin, C19H1403.

Chromium oxychloride reacts violently on phenol, producing hydroquinone ether, O(C 6 H 4 OH)2; chromic acid gives phenoquinone, and potassium permanganate gives paradiphenol, oxalic acid, and some salicylic acid (R.

Oxalic acid.

Dibromcotinine on hydrolysis yields oxalic acid, methylamine and 0-methyl pyridyl ketone: C10H10Br2N20+3H20+0= H2C204-ECH 3 NH 2 +C 5 H 4 N 000H 3 +2HBr; whilst dibromticonine yields methylamine, malonic acid and nicotinic acid: C10H8Br2N202+ 4H20=CH 3 NH 2 +CH 2 (CO 2 H) 2 +C 5 H 4 N CO 2 H+2HBr, or if heated with zinc and caustic potash, methylamine and pyridyl-ay-dioxybutyric acid.

The alkaloid is obtained from an aqueous extract of tobacco by distillation with slaked lime, the distillate being acidified with oxalic acid, concentrated to a syrup and decomposed by potash.

It is somewhat readily oxidized; nitric acid gives carbonic and oxalic acids, and chromic acid, carbonic and acetic acids.

Pure Oxalic Acid May Also Be Used, Which, In The Presence Of Sulphuric Acid, Is Oxidized By The Standard Solution According To The Reaction: 5(H2C2042H20) 3H 2 So 4 2Kmn04 =10002 2Mns04 K2S04 18H20 The Reaction In Case Of Ferrous Sulphate Is: 10Fes04 2Kmn04 8H2S04 = 5Fe2(S04)3 K2S04 2Mns04 8H20; That Is, The Same Amount Of Potassium Permanganate Is Required To Oxidize 5 Molecules Of Oxalic Acid That Is Necessary To Oxidize I O Molecules Of Iron In The Form Of Ferrous Sulphate To Ferric Sulphate, Or 63 Parts By Weight Of Oxalic Acid Equal 56 Parts By Weight Of Metallic Iron.

Shenstone, two classes are to be recognized: (I) Nataloins, which yield picric and oxalic acids with nitric acid, and do not give a red coloration with nitric acid; and (2) Barbaloins, which yield aloetic acid, C7H2N205, chrysammic acid, C 7 H 2 N 2 0 6, picric and oxalic acids with nitric acid, being reddened by this reagent.