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In each of the following three questions a hydrocarone is nemed. For each select from among the sixteen conformational structures (A through p) all structures that represent possible conformers of that compound. Write latters (a through p), corresponding to your selections in each answer box.

In each of the following pairs of organic compounds, identify the compound which will undergo S_(N^(1)) reaction. Faster. .

In each of the following pairs of ions which ion is more stable:

In each of the following pairs of ions in which I ion is more stable than II

In each of the following pair of compounds,w hich is more basic in aqueous solution? Give an explanation for your choice: (a). CH_(3)NH_(2) or CF_(3)NH_(2) (b). ltBrgt (c). CH_(3)CH_(2)CH_(2)NH_(2) or CH_(3)CN (d). C_(6)H_(5)N(CH_(3))_(2) or 2,6-dimethyl-N-N-dimethylaniline.

In E_2 elimination, some compounds follow Hofmann's rule which means:

In Dumas's methodof estimation of nitrogen 0.35 g of an organic compound gave 55 ml of nitrogen collected at 300 K temperature and 715 mm pressure. The percentage compositionof nitrogen in the compound would be (Aqueous tension at 300 K = 15 mm).

In Duma's method for quantitative estimation of nitrogen, 0.5 g of an organic compound gave 100 ml of nitrogen collected at 27°C temperature and 680 mm of Hg pressure. What is the percentage composition of nitrogen in the sample? [Given aqueous tension at 27°C = 20mm Hg]

In Duma's method for estimation of nitrogen 0.4 gm of an organic compound gave 60 ml of nitrogen collected. Calculate the percentage composition of nitrogen in the compound : (Aqueous tension at 300 K=20 mm)

In Dumas 'method for estimation of nitrogen, 0.3 g of an organic compound gave 50 mL. of nitrogen collected at 300 K temperature and 715 mm pressure. What will be the percentage composition of nitrogen in the compound?(Aqueous tension at 300 k = 15 mm )

In Duma'smethod for estimation of nitrogen 0.25 g of anorganic compound gave 40 mL of nitrogencollected at 300 K temeprature and 725 nn pressure. If the aqueous tension at 300 K is 25 mm. the percentage of nitrogen in the compound is

In Duma's method and Kjeldahl's method, respectively nitrogen present is estimated as :

In Duma's method for determining the nitrogen content of an organic compound, the nitrogen content is determined in the from of :

In dry cell, what acts as negative electrode?

In Dow's process haloarene is converted to phenol with fused NAOH . The most reactive compound is

In dry cell the reaction which takes place at the zinc anode is

In dry cell whatacts as a negative electrode ?

In Dow.s method, sodium is prepared by the electrolysis of molten NaCI. The reaction at cathode is :

In double strand helix structure of DNA, heterocyclic base cytosine forms hydrogen bond with

In dénydrohalogenation of tert-pentyl bromide using alc. KOH, major product obtained is

In DNA the complementary bases are

In DNA, Thymine and Adenine are bonded by

In DNA, the consecutive deoxynucleotides are connected via

In DNA the consecutive deoxynucleotides are connected via______.

In DNA,the consecutivedeoxynucleotideare connected via.

In DNA, the complementary bases are

In DNA, the complimentary bases are

In DNA , the complimentary bases are

In DNA the complementary bases are :

In DNA base is attached to pentose sugar through

In DNA, thecomplementarybases are …… .

In DNA and RNA configuration of sugar is

In discharge tubes for advertisement..............inert gas is mostly used.

In disaccharides, two monosaccharides are linked by ………called…………. .

In disaccharides, if the reducing groups of monosaccharides, i.e., aldehydic or ketonic groups are bonded, these are non-reducing sugars. Which of the following disaccharide is a non-reducing sugar?

In disaccharides, if the reducing groups of monosaccharides, i.e., aldehydic or ketonic groups are bonded, these are non-reducing sugars. Which of the following disaccharide is a non-reducing sugar-

In disaccharides, if the reducing groups of monosaccharides, i.e., aldehydic or ketonic groups are bonded , these are non - reducing sugars. Which of the following disaccharide is a non - reducing sugar ?

In disaccharide, if the reducing groups of monosaccharides, i.e., aldehydic or ketonic groups are bonded, these are non-reducing sugars. Which of the following disaccharide is a non-reducing sugar ?

In disaccharide and poly saccharides two or more monosaccharides units are held together by

In dilute aqueous H_(2)SO_(4), the complex diaquo-dioxalato ferrate (II) is oxidized by MnO_(4)^(-).For this reaction, the ratio of the rate of change of [H^(+)] to the rate of change of MnO_(4)^(-) is

In dimethylglyoximatoligand (dmg) donor atom is/are:

In dihalogen derivatives if two halogen atoms are attached to the same carbon atom the compound is called :

In dihalogen derivatives if two halogen atoms are attached tp the adjacent carbon atom the compound is called :

In diborane, the number of electrons that accounts for banana bonds is……………

In diborane, the number of electrons that accounts for banana bonds is

In diborane, the H-B-H bond angle is 120^(@). The hybridization of borons is likely to be

In diborane, the number of electrons that account for bonding in the bridges is