Which of the following can act as both oxidising and reducing agents
Options
(a) Cl₂ (b) H₂O₂ (c) Cu₂S (d) HI
Correct Answer:
H₂O₂
Explanation:
No explanation available. Be the first to write […]
Which of the following statement is true for an electrochemical cell
Options
(a) Reduction occurs at H₂ electrode (b) H₂ is anode and Cu is cathode (c) H₂ is cathode and Cu is […]
Bohr’s theory was modified to give the concept of elliptical orbits by
Options
(a) Davison (b) Rutherford (c) Hund (d) Sommerfeld
Correct Answer:
Sommerfeld
Explanation:
No explanation available. Be the first to write […]
Which of the following elements will have the highest electron affinity
Options
(a) Chlorine (b) Nitrogen (c) Phosphorus (d) Fluorine
Correct Answer:
Chlorine
Explanation:
No explanation available. Be the first to write the […]
Which of the following compounds will gives positive test with Tollen’s reagent
Options
(a) Acetamide (b) Acetone (c) Acetic acid (d) Acetaldehyde
Correct Answer:
Acetaldehyde
Explanation:
No explanation available. Be the first to […]
In the compounds KMnO₄ and K₂Cr₂O₇, the highest oxidation state is of the element
Options
(a) Mn (b) K (c) O (d) Cr
Correct Answer:
Mn
Explanation:
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Unpleasent smelling carbylamines are formed by heating alkali and chloroform with
Options
(a) any primary amine (b) any amine (c) any aromatic amine (d) any aliphatic amine
Correct Answer:
any primary amine
Explanation: […]
The volume of water to be added to 100 cm³ of 0.5 N H₂SO₄ to get decinormal concentration is
Options
(a) 450 cm³ (b) 100 cm³ (c) 400 cm³ (d) 500 CM³
Correct […]
The amount of zinc required to produce 224mL of H₂ at STP on treatment with dilute H₂SO₄ will be
Options
(a) 65 g (b) 0.065 g (c) 0.65 g (d) 6.5 g
Correct […]
The Ca²⁺ and F⁻ are located in CaF₂ crystal,respectively at face centred cubic lattic points and in
Options
(a) tetrahedral voids (b) half of tetrahedral voids (c) octahedral voids (d) half of octahedral […]
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