The reaction that takes place when Cl₂ gas is passed through conc.NaOH solution
The reaction that takes place when Cl₂ gas is passed through conc.NaOH solution is Options (a) oxidation (b) reduction (c)…
7 years ago
Chemistry
Atoms in a P₄ molecule of white phosphorus are arranged regularly in the follow
Atoms in a P₄ molecule of white phosphorus are arranged regularly in the following way Options (a) at the corners…
7 years ago
Which of the following is a tribasic acid
Which of the following is a tribasic acid Options (a) hypophosphorous acid (b) phosphorous acid (c) Orthophosphoric acid (d) pyrophosphoric…
7 years ago
When conc. H₂SO₄ is added to dry KNO₃,brown fumes are evolved.These fumes are
When conc. H₂SO₄ is added to dry KNO₃, brown fumes are evolved. These fumes are of Options (a) SO₂ (b)…
7 years ago
Which is difference between melting and boiling point of zero group elements
Which is difference between melting and boiling point of zero group elements Options (a) Melting point is higher than boiling…
7 years ago
H₂S₂O₇ has a commercial name as
H₂S₂O₇ has a commercial name as Options (a) oil of vitriol (b) hypo (c) oil of sulphur (d) oleum Correct…
7 years ago
Which of the following about fluorine is not correct
Which of the following about fluorine is not correct Options (a) The electron affinity of chlorine is greater than fluorine…
7 years ago
Which of the following is used in the preparation of chlorine
Which of the following is used in the preparation of chlorine Options (a) Only MnO₂ (b) Both MnO₂ and KMnO₄…
7 years ago
Chlorine is in +1 oxidation state in which of the following
Chlorine is in +1 oxidation state in which of the following Options (a) HCl (b) Cl₂O (c) HClO₄ (d) Cl₂…
7 years ago
which of the following oxy acids of phosphorus is a reducing agent and monobasic
which of the following oxy acids of phosphorus is a reducing agent and monobasic Options (a) H₃PO₂ (b) H₃PO₃ (c)…
7 years ago