An amine contains which one of the following functional groups? w) NO2 x) NOH y) NH2 z) N2

An amine contains which one of the following functional groups? w) NO2 x) NOH y) NH2 z) N2
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1 Answer

Answer :

ANSWER: Y -- NH2
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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 blank component “X” in it. Category Component (a) Cholesterol Guanine (b) Amino acid NH2 (c) Nucleotide Adenine (d) Nucleoside Uracil

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An aromatic amine (X) was treated with alcoholic potash and another compound (Y) when foul smelling gas was formed `C_(6)H_(5)NC`. The compound (Y) wa

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Out of two anticholinesterases, drug ‘X’ is a tertiary amine while drug ‘Y’ is a quarternary ammonium compound. Then: A. Drug ‘X’ is likely to be more potent than ‘Y’ B. Drug ‘X’ will be more suitable to be used as a miotic C. Drug ‘Y’ will be completely metabolized in the body D. Drug ‘Y’ will produce CNS effects

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Which of the following molecules contains a polar covalent bond A.H2 B.N2 C.CO D.O2?

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A nitrogenous fertiliser contains 20% N2 . It could be (A) Ammonium nitrate (B) Calcium ammonium nitrate (CAN) (C) Urea (D) Ammonium chloride

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A fertiliser contains 82% N2 . It could be (A) Urea (B) Liquid NH3 (C) Ammonium nitrate (D) None of these

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Base suspension fertiliser essentially contains (A) 13% N2 and 43% P2O5 (B) 43% N2 and 13% P2O5 (C) 43% N2 and 13% K2O (D) 43% K2O and 43% P2O5

Description : Base suspension fertiliser essentially contains (A) 13% N2 and 43% P2O5 (B) 43% N2 and 13% P2O5 (C) 43% N2 and 13% K2O (D) 43% K2O and 43% P2O5

Last Answer : (A) 13% N2 and 43% P2O5

Which of the following contains least amount of N2? (A) Coke oven gas (B) Blast furnace gas (C) Producer gas (D) Water gas (blue gas)

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The region where the Lyman series contains the wavelength 1∕ λ = RH [1/ 12 – 1/ n2 ] is a) visible region b) infrared region c) ultraviolet region d ) none of these

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The active site of an enzyme is formed by (A) R group of amino acids (B) NH2 group of amino acids (C) CO group of amino acids (D) Sulphur bonds which are exposed

Description : The active site of an enzyme is formed by (A) R group of amino acids (B) NH2 group of amino acids (C) CO group of amino acids (D) Sulphur bonds which are exposed

Last Answer : Answer : A

Malonyl-CoA reacts with the central (A) —SH group (B) —NH2 group (C) —COOH group (D) —CH2OH group

Description : Malonyl-CoA reacts with the central (A) —SH group (B) —NH2 group (C) —COOH group (D) —CH2OH group

Last Answer : Answer : A

The compound having the formula H2N—CO—NH—CH2—CH2—CH2—CH— COOH is | NH2 (A) Lysine (B) Glutamine (C) Serine (D) Citrulline

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Last Answer : Answer : D

Cysteine has the formula: (A) CH3SH (B) H2N—CH2—COOH (C) HS—CH2—CH(NH2)—COOH (D) S—CH2—CH(NH2)—COOH | S—CH2—CH(NH2)—COOH

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Last Answer : Answer : C

Biuret reaction is specific for (A) –CONH-linkages (B) –CSNH2 group (C) –(NH)NH2 group (D) All of these

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Last Answer : Answer : A