A reaction in which an atom or a group of atoms in a compound is replaced by other atom or group of atoms is called ……………… reaction.
A) addition
B) elimination
C) substitution
D) rearrangement
Answered Feb 05, 2023
Correct option is C) substitution
Vertebrates is the chordates which possess this character.
Correct Option is : (D) Propyne The C-C bond length = 1.54 Å , C=C bond length = 1.34 Å and \(C \equiv C\) bond length = 1.20 Å . Since propyne has a triple bond , therefore...
Mass of l atom of carbon = 12.011 u ∴ Mass of 20 atoms of same carbon isotope = 20 × 12.011 u = 240.220 u ∴ The mass of 20 atoms of same...
The country that was replaced by the kingdom of Prussia is now called as Germany
B) Chemical bond
A) Ionic bond
B) functional group
In hydrophytes, root caps are replaced by root pocket e.g. Pistia, Eichhornia etc.
The correct answer is (A) Pistia
Correct option is C) Helium
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