Description : Which compound does not give a positive test in Lassaigne’s test for nitrogen?
Last Answer : Hydrazinc
Description : Which compound does not give a positive test in Lassaigne's test for nitrogen?
Description : Lassaigne’s test is not shown by diazonium Salt. Why?
Last Answer : On heating diazonium Salts loses Nitrogen and could not fuse with the sodium metal therefore diazonium salt do not show Positive Lassaigne’s test for nitrogen.
Description : It is advisable to prepare Lassaignes extract in distilled water why?
Last Answer : Tap water usually contain dissolved chlorine which gives test for halogen.
Description : The compound methylamine, H3C–NH2, contains a C–N bond. In this bond, which of the following best describes the charge on the nitrogen atom? (a) slightly positive (b) uncharged (c) slightly negative (d) –1
Last Answer : slightly negative
Description : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give an olefin (Q). Ozonolysis o
Last Answer : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give ... (S) is: A. B. C. D.
Last Answer : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration ... respectively, are: A. B. C. D.
Last Answer : A carbonyl compound (P) which gives positive iodoform test, undergoes reaction with MeMgBr followed by dehydration to give ... (P) is: A. B. C. D.
Description : Which compound gives both ninhydrin test and Molisch’s test? -Do You Know?
Last Answer : answer:
Description : A compound gives a positive Tollens' test but negative Ninhydrin test. It is (a) a protein (b) an amino acid (c) a monosaccharide (d) pyridine
Last Answer : a monosaccharide
Description : An unknown compound gave a positive Tollens' test. Treatment of the unknown with I2/NaOH gave a solid which was identified as iodoform. The unknown was? (a) Ethanal (b) Acetone (c) Propanal (d) Acetophenone
Last Answer : Ethanal
Description : Which fertilizer has more nitrogen content? -Do You Know?
Description : What is the function of Leghaemoglobin in nitrogen fixation? -Do You Know?
Description : What is the mixture of carbon monoxide and nitrogen called? -Do You Know?
Description : By which algae is Nitrogen fixation done? -Do You Know?
Last Answer : blue-green algae
Description : Nitrogen fixing bacteria is useful in growing which crop? -Do You Know?
Description : The nitrogen percentage is the highest in which fertilizer? -Do You Know?
Description : Which crop enrich the soil with nitrogen? -Do You Know?
Description : What work is work done in moving a positive charge on an equipotential surface? -Do You Know?
Description : Which is an element which never exhibits positive oxidation state in any of its compounds? -Do You Know?
Description : Which substance is used as antiknock compound? -Do You Know?
Last Answer : An anti-knocking agent is the substance which is used to reduce the engine knocking. It increases the octane number of the fuel. It helps in auto-ignition by raising the temperature and pressure. TEL is tetraethyl Lead which is used as an Anti-Knocking compound.
Description : Which compound is commonly used as antifreeze in automobile radiators? -Do You Know?
Last Answer : The compound which is added as an antifreeze to the water in automobile radiators is. Solution : Ethylene glycol is miscible in all proportions with water and ethanol but is insoluble in ether. It is widely used as a solvent and as an antifreeze agent.
Description : Which compound is used for writing on glass? -Do You Know?
Description : Which compound is known as white vitriol? -Do You Know?
Description : In a compound microscope, how is the intermediate image? -Do You Know?
Description : Maximum hydrogen bonding would be observed in which compound? -Do You Know?
Description : Which compound does not contains an OH group? -Do You Know?
Last Answer : Ammonia is a base but doesn't contain any hydroxyl group because it forms OH- ions when it is added to water.
Description : Which compound is used in anti-malarial drug? -Do You Know?
Last Answer : Pyrimethamine is used in the treatment of uncomplicated malaria
Description : Which compound is used as an antichlor? -Do You Know?
Last Answer : The most commonly used antichlor is sodium thiosulfate Na2S2O3. It neutralizes the excess chlorine left on the textile or paper pulp.
Description : Which compound caused tragedy of Bhopal in 1984? -Do You Know?
Description : A fruity smell is obtained by the reaction of ethanol with which compound? -Do You Know?
Description : The enthalpy changes of formation of the gaseous oxides of nitrogen `(N_(2)O` and `NO)` are positive because of `:`
Last Answer : The enthalpy changes of formation of the gaseous oxides of nitrogen `(N_(2)O` and `NO)` are positive ... The tendency of oxygen to form `O^(2-)`
Description : Positive nitrogen balance is seen in (A) Starvation (B) Wasting diseases (C) Growing age (D) Intestinal malabsorption
Last Answer : Answer : C
Description : A positive nitrogen balance occurs (A) In growing infant (B) Following surgery (C) In advanced cancer (D) In kwashiorkar
Last Answer : Answer : A
Description : Which Bacteria convert atmospheric nitrogen into nitrogenous compound? -General Knowledge
Last Answer : The answer is 'Nitrogen fixing bacteria'
Description : `CH_(3)NH_(2)+CHCl_(3)+KOH to` Nitrogen containing compound `+KCl + H_(2)O`.
Last Answer : `CH_(3)NH_(2)+CHCl_(3)+KOH to` Nitrogen containing compound `+KCl + H_(2)O`. A. `CH_(3)-C-=N` B. `CH_(3)-NH- ... -= C^(+)` D. `CH_(3)-N^(+)-=C^(-)`
Description : The nitrogen compound formed when `CaCN_(2)` reacts with steam or hot water is
Last Answer : The nitrogen compound formed when `CaCN_(2)` reacts with steam or hot water is A. `N_(2)O` B. NO C. `NO_(2)` D. `NH_(3)`
Description : The compound that does not produce nitrogen gas by the thermal decomposition is
Last Answer : The compound that does not produce nitrogen gas by the thermal decomposition is A. `NH_(4)NO_(2)` B. `(NH_(4))_(2 ... 2)` D. `(NH_(4))_(2)Cr_(2)O_(7)`
Description : The nitrogen containing compound produced in the reaction of `HNO_(3)` with `P_(4)O_(10)`
Last Answer : The nitrogen containing compound produced in the reaction of `HNO_(3)` with `P_(4)O_(10)` A. ... bond D. react with Na metal producing a brown gas
Description : For the estimation of nitrogen, 1.4 g of an organic compound was digested by Kjeldahl method and the evolved ammonia acid absorbed in 60 mL of `M/10`
Last Answer : For the estimation of nitrogen, 1.4 g of an organic compound was digested by Kjeldahl method and the evolved ammonia ... ` B. `10%` C. `3%` D. `5%`
Description : What is the Process that changes nitrogen from gas into compound plants can use?
Last Answer : Need answer
Description : Is nitrogen trifluoride a covalent compound?
Last Answer : Nitrogen trifluoride is a covalent compound.
Description : What is the name of the compound formed when potassium and nitrogen are combined?
Last Answer : The chemical formula of potassium nitrate is KNO3.
Description : What is the name of the compound formed when potassium nitrogen and oxygen are combined?
Description : The compound that IS NOT responsible for acid rain is (a) nitrogen dioxide (b) nitrogen pentoxide (c) Sulphur dioxide (d) carbon monoxide
Last Answer : Ans:(d)