Atoms or ions missing from the normal lattice point creating a vacancy is due to
Atoms or ions missing from the normal lattice point creating a vacancy is due to Options (a) Frenkel defect (b)…
7 years ago
Chemistry
Schottky defect defines imperfection in the lattice structure of a
Schottky defect defines imperfection in the lattice structure of a Options (a) solid (b) gas (c) liquid (d) plasma Correct…
7 years ago
Aromatic hydrocarbon shows mostly
Aromatic hydrocarbon shows mostly Options (a) substitution electrophilic reactions (b) addition electrophilic reactions (c) substitution nucleophilic reactions (d) addition nucleophilic…
7 years ago
Petroleum is a mixture of
Petroleum is a mixture of Options (a) alkynes (b) alkanes (c) alkyl halides (d) alkenes Correct Answer: alkanes Explanation: Petroleum…
7 years ago
In an organic compound phosphorus is estimated as
In an organic compound phosphorus is estimated as Options (a) Mg₂P₂O₇ (b) Mg₃(PO₄)₂ (c) H₃PO₄ (d) P₂O₅ Correct Answer: Mg₂P₂O₇Explanation:A…
7 years ago
Number of isomers of C₄H₁₀ is
Number of isomers of C₄H₁₀ is Options (a) 4 (b) isomerism not exist (c) 3 (d) 2 Correct Answer: 2Explanation:No…
7 years ago
Potassium is stored in
Potassium is stored in Options (a) alcohol (b) water (c) kerosene (d) liquid ammonia Correct Answer: kerosene Explanation: On exposure…
7 years ago
Formula of Plaster of Paris is
Formula of Plaster of Paris is Options (a) CaSO₂.(1/2)H₂O (b) CaSO₄.H₂O (c) CaSO₄.(1/3)H₂O (d) CaSO₄.2H₂O Correct Answer: CaSO₂.(1/2)H₂O Explanation: Plaster…
7 years ago
For decolourization of 1 mole of KMnO₄, the moles of H₂O₂ required is
For decolourization of 1 mole of KMnO₄, the moles of H₂O₂ required is Options (a) 1/2 (b) 3/2 (c) 5/2…
7 years ago
The oxidation number of oxygen in O₂PtF₆ is
The oxidation number of oxygen in O₂PtF₆ is Options (a) zero (b) 1/2 (c) 1 (d) -1/2 Correct Answer: 1/2Explanation:No…
7 years ago