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How rusting of iron is envisaged as setting up of an electrochemical cell? Solution) Rusting of Iron is due to corossion. Rust is an Fe 2 O 3 .xH 2 O Theory of Rusting :
P-nitrobenzenediazonium ion The p-nitrobenzenediazonium ion, which is formed in the diazotization reaction, acts as the electrophile in an electrophilic aromatic substitution a
Q. Classification of emulsifiers? Emulsifiers can be classified under two categories. These are: • Natural: These are naturally present in foods. Some examples are phosphol
what is the name given to the impure copper obtained through this process
Benzylic halide follows sn1 mechanism always...............the order of halides going sn1 rxn is BENZYL>ALLYL>TERTIARY>SECONDARY>PRIMARY>METHYL beacause of stability, benzyl & ally
What are the various types of point defects? How are they caused? (i) Vacancies: This refers to a missing atom or a vacant atomic site because of absence of a matri
Rutherford's experiment on scattering of particles showed for the first time that the atom has: (1) Electrons (2) Protons (3) Nucleus (4) Neutr
A covalent bond between two atoms is formed by which of the following: (1) Electron nuclear attraction (2) Electron sharing (3) Electron transfer (
Which of the following oxides of nitrogen is isoelectronic with CO 2: (1) No 2 (2) N 2 O (3) NO (4)N 2 O 2 Ans: N 2 O
Why do zinc hydroxide, aluminium hydroxide and lead (II) hydroxide dissolve in excess aqueous sodium hydroxide?
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