Description : A poly-functional compound containing one – OH group and one – COOH group is
Last Answer : Salicylic acid.
Description : Compounds containing – NH 2 group as functional group are called
Last Answer : amines.
Description : Compounds containing – CHO group as functional group are called
Last Answer : Aldehydes.
Description : Compounds containing – COOH group as functional group are called
Last Answer : Carboxylic acids.
Description : Write the molecular formula of first two members of homologous series having functional group – OH. -Science
Last Answer : The general formula for the homologous series of functional group −OH is CnH2n+1OH. The two consecutive members of this series are: a. CH3OH(Methanol) b. CH3CH2OH (Ethanol) where n is 1 and 2 respectivelyThe molecular formula for both of them are CH4O and C2H6O.
Description : Which organic compound have the functional group OH?
Last Answer : Alcohol
Description : A compound having 3 – OH functional group is
Last Answer : Glycerol.
Description : The functional group present in CH 3 OH is
Last Answer : alcohol.
Description : Write the IUPAC name for: (CH3)2CHCH(OH)CH2C(CH3)3,identify the functional group and type of compound.
Last Answer : Ans. 2,5,5-trimethylhexan-3-ol, alcohol, secondary alcohol
Description : What is the functional group in an alcohol? (a) Carbon-carbon double bond (b) NH2 (c) OH (d) COOH
Last Answer : OH
Description : The organic compounds having the functional group COOH are called?
Last Answer : Carboxylic acids
Description : What class of organic compounds is characterized by an -OH group bonded to an alkyl group?
Last Answer : ANSWER: ALCOHOL
Description : Ketones are organic compounds. Name the functional group that all ketone molecules contain.
Last Answer : ANSWER: CARBONYL GROUP pr C DOUBLE BOND O
Description : Which of the following is not correct concerning substitution and elimination reactions of alkyl halides? (a) The electrophile replaces the leaving group. (b) Compounds containing electron-donating groups bonded to an ... replaced by another atom or group in substitution reactions. (d) (a) and (b)
Last Answer : (a) and (b)
Description : Azo (pron: A-zo) Compounds characteristically are compounds containing the group: w) C2 x) N2 y) O2 z) Cl2
Last Answer : ANSWER: X -- N2 (N = N)
Description : Give the names of the following functional groups: (i) —OH (ii) —COOH -Chemistry
Last Answer : (i) Alcohol group (ii) Carboxylic acid group
Description : The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of calcium bicarbonate per 100 ml of water,
Last Answer : The amount of lime, `Ca(OH)_(2)` required to remove the hardness in 60 L of pond water containing 1.62 mg of ... 0.222g` C. `2.22 g` D. `0.444 g`
Description : FAD containing enzyme, catalyzing formation of α, β unsaturated fatty acyl CoA derivative. (A) Acyl CoA dehydrogenase (B) Enoyl hydrase (C) β-OH acyl CoA dehydrogenase (D) Thiolase
Last Answer : Answer : A
Description : Lead pipes are not safe for carrying drinking water because water containing dissolved oxygen attacks lead thereby forming poisonous Pb (OH)2 . Lead pipes are readily corroded by (A) Dilute HCI (B) Acetic acid (C) Concentrated H2SO4 (D) None of these
Last Answer : (B) Acetic acid
Description : Lead pipes are not safe for carrying drinking water, because water, containing dissolved oxygen attacks lead thereby forming poisonous Pb(OH)2 . Lead pipes are readily corroded by (A) Dilute HCl (B) Acetic acid (C) Concentrated H2SO4 (D) None of these
Description : The figure shows a hypothetical tetrapeptide portion of a protein with parts labelled A-D. Which one of the following options is correct? - HN - CH - CO - NH - CH - CO - NH - CH - CO - ... -terminal amino acid and D is N-terminal amino acid. (d) A is a sulphur containing amino acid methionine.
Last Answer : (a) D is the acidic amino acid-glutamic acid.
Description : .E.coli cells with a mutated z gene of the lac operon cannot grow in medium containing only lactose as the source of energy because (a) the lac operon is constitutively active in these cells ( ... coli cells do not utilise lactose (d) they cannot transport lactose from the medium into the cell.
Last Answer : (b) they cannot synthesise functional beta galactosidase
Description : Organic compounds having more than one functional groups are called poly-functional
Last Answer : compounds.
Description : Arrange the compounds in order of decreasing acidic strength : (I) `ClCH_(2)-CH_(2)-OH` (II) `Cl_(2)CH-CH_(2)-OH` (III) `Cl-CH_(2)-CH_(2)-CH_(2)-OH` (
Last Answer : Arrange the compounds in order of decreasing acidic strength : (I) `ClCH_(2)-CH_(2)-OH` (II) `Cl_(2)CH-CH_(2 ... IV gt III` D. `II gt I gt III gt IV`
Description : Write down the IUPAC names of the following compounds :- (A) `CH_(3)-underset(C_(2)H_(5))underset(|)(CH)-overset(CH_(3))overset(|)(CH)-underset(OH)und
Last Answer : Write down the IUPAC names of the following compounds :- (A) `CH_(3)-underset(C_(2)H_(5))underset(|)( ... )=CH-underset(CH_(3))underset(|)(CH)-C-=CH`
Description : Which is the decreasing oreder of acidity in the following compounds? `{:(CH_(3)CH_(2)OH"(I) "CF_(3)CH_(2)OH"(II)"),("CCl"_(3)-CH_(2)OH"(III) "(NO_(2)
Last Answer : Which is the decreasing oreder of acidity in the following compounds? `{:(CH_(3)CH_(2)OH ... `IIgtIgtIIIgtIV` C. `IVgtIIgtIgtIII` D. `IVgtIIgtIIIgtI`
Description : The given diagrammatic OH OH HOCH O 2 X representation shows one of the categories of small molecular weight organic compounds in the living tissues. Identify the category shown and the one ... Component (a) Cholesterol Guanine (b) Amino acid NH2 (c) Nucleotide Adenine (d) Nucleoside Uracil
Last Answer : (d) Nucleoside Uracil
Description : What are poly-functional compounds?
Last Answer : Organic compounds having more than one functional groups are called polyfunctionsl compounds. Ex: Glycerol, Salicylic acid
Description : Give one example each of the compounds having the following functional groups:
Last Answer : a) Aldehyde group – Methanal b) Alcohol group – Methanol c) Carboxylic acid group - Methanoic acid
Description : Name the functional groups present in the following compounds.
Last Answer : a) CH 3 CHO – Aldehyde c) CH 3 CH 2 CH 2 OH – Alcohol e) Methanol – Alcohol g) Amino acids – Amines b) CH 3 CH 2 COOH – Carboxylic acid d) Methanal – Aldehyde f) Methanoic acid – Carboxylic acid
Description : On the basics of functional groups present, how are organic compounds classified?
Last Answer : Alkyl / Aryl radical (Less reactive part) and Functional group ( Active part)
Description : Which one of following pairs of compounds are functional isomers of each other
Last Answer : Which one of following pairs of compounds are functional isomers of each other A. `CH_(3)CH_(2)CH_(2)OH, CH_( ... CH_(2)CH_(2)OH, CH_(3)OCH_(2)CH_(3)`
Description : In condensation polymerisation as compared to addition polymerisation (A) The monomers are unsaturated compounds (B) No co-product is lost (C) The monomers contain two functional groups (D) Generally only one monomer is involved
Last Answer : (C) The monomers contain two functional groups
Description : Application of HPLC includes? A. Detection of functional groups in organic compounds B. Determination of molecular mass C. Separation of volatile compounds D. Impurity profiling
Last Answer : D. Impurity profiling
Description : What is the name given to the non-superimposable mirror image forms of chiral compounds? w) cis-trans x) enantiomers y) functional isomers z) diasteriomers
Last Answer : ANSWER: X -- ENANTIOMERS
Description : Nitrogen containing organic compounds are called?
Last Answer : Alkalloids
Description : Simplest binary organic compounds containing carbon and hydrogen only are called
Last Answer : hydrocarbons.
Description : (1) the action of ultraviolet rays on oxygen Explanation: The majority of tropospheric ozone formation occurs when nitrogen oxides (NOx), carbon monoxide (CO ) and volatile organic compounds (VOCs), such as xylene, ... violet rays. NOx, CO, and VOCs are called ozone precursors. CO + 2O2 + CO2 + O3
Last Answer : Water is not effective in extinguishing a fire caused by petrol because - (1) the flame is too hot for water to cool it down (2) water and petrol react chemically (3) water and petrol are ... (4) water and petrol are immiscible with each other and petrol which forms the upper layer continues to burn
Description : Ionic compounds containing cations (+ve ion) and anions (-ve ion) are?
Last Answer : Salt
Description : Classify the following compounds containing double bond and triple bond – Ethyne, benzene, Butyne, pentene
Last Answer : Double bond: Benzene, pentene Triple bond: Ethyne, Butyne
Description : Proteins are most complex organic compounds, containing a. Carbon b. Hydrogen c. oxygen and nitrogen d. All of these
Last Answer : All of these
Description : A fuel containing carbon and carbon monoxide (but containing no hydrogen or its compounds) is burnt in pure oxygen at constant pressure. Its gross calorific value as compared to net calorific value will be (A) More (B) Less (C) Same (D) Data insufficient; can't be predicted
Last Answer : (C) Same
Description : Which of the following is the correct ranking in decreasing order of relative Boiling Point of carbonyl containing compounds? (a) primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone ... chloride ~ amide (d) carboxylic acid > amide >> ester ~ acyl chloride ~ aldehyde ~ ketone
Last Answer : primary amide > carboxylic acid >> ester ~ acyl chloride ~ aldehyde ~ ketone
Description : The theoretical minimum work required to separate one mole of a liquid mixture at 1 atm, containing 50 mole % each of n- heptane and n octane into pure compounds each at 1 atm is (A) -2 RT ln 0.5 (B) -RT ln 0.5 (C) 0.5 RT (D) 2 RT
Last Answer : (B) -RT ln 0.5
Description : Which of the following are among the few carbon containing compounds not classified as organic?
Last Answer : Cyanides
Description : Which of the following nitrogen-containing compounds is most readily used by plants? w) nitrogen dioxide x) ammonia y) nitrous oxide z) nitrate
Last Answer : ANSWER: Z -- NITRATE
Description : A family of organic compounds containing only carb and hydrogen and having only single bonds are the: w) alkenes and alkanes x) alkanes and cycloalkanes y) alkynes (pron: AL-kines) and alkenes z) cycloalkanes and alkenes
Last Answer : ANSWER: B -- ALKANES AND CYCLOALKANES
Description : Which of the following is believed to be responsible for the hole in the ozone layer over Antarctic? w) carbon dioxide x) compounds containing sulfur y) radioactivity z) compounds containing chlorine
Last Answer : ANSWER: Z -- COMPOUNDS CONTAINING CHLORINE
Description : Even though NaOH & KOH contains –OH group. It is not included in the group of organic substances. Why?
Last Answer : NaOH and KOH are strong bases which are ionic compound that contain OH ions. Alcohols are covalent compounds, even though they have on or more hydroxyl ( -OH ) functional group, they do not behave like bases. The – OH group attached to a carbon atom is a covalent bond.
Description : Selectivity achieved due to changes in functional group is called a). Physical b). Biological c). Chemical d). Chronological
Last Answer : d). Chronological